the thickened, club-like structure that forms the lower part of the hair root is the _____.

Answers

Answer 1

The thickened, club-like structure that forms the lower part of the hair root is the hair bulb.

The structure at the base of a hair shaft known as a hair bulb houses the papilla, which is in charge of stimulating hair development. A sheath of follicular cells wraps around the bulb and climbs the hair shaft. The inner root sheath and hair shaft are created by the dividing cells of the bulb.

The hair matrix, a sheath of epithelial cells, encircles the hair bulb. The dead cell-filled hair shaft is created by the hair matrix cells. The dermal papilla is a layer of connective tissue that covers the hair follicle. Capillaries and nerve endings in the dermal papilla supply the hair follicle with nutrients and promote hair growth.

The distinction between hair roots and hair bulbs is often unclear. Many people believe they are interchangeable, however, this is not the case. The root of each hair strand is known as the hair bulb. It is in charge of creating new hair cells and is situated at the follicle's base. The section of a hair strand that is attached to the scalp is called the hair root. The blood arteries and nerve endings that give the hair nutrition and maintain it healthy are found in the follicle where they are located.

To learn more about hair bulbs and hair follicles click here.

https://brainly.com/question/12668856

Answer 2

The thickened, club-like structure that forms the lower part of the hair root is known as the hair bulb.

This structure is comprised of a small group of cells that are located at the base of each hair follicle and give rise to the hair shaft. The cells of the hair bulb are responsible for the production of the hair’s pigment, as well as the generation of the growing hair.

In addition, the cells of the hair bulb contain the necessary proteins and other components that make up the hair’s structure. The hair bulb is also responsible for the anchoring of the hair to the scalp. This is accomplished by the presence of a fibrous sheath that surrounds the bulb and serves to secure the hair root in the scalp.

know more about hair’s pigment here

https://brainly.com/question/30619025#

#SPJ11


Related Questions

8. When an environmental change is extreme and rapid, populations may be less / more likely to adapt because the process of natural selection occurs over one / many generation(s). In these cases, populations may be less / more likely to become extinct.

Answers

Because the process of natural selection takes place over many generations, populations may be less likely to adapt when an environmental change is large and rapid. Populations may be more likely to go extinct in certain circumstances.

Populations of organisms may face serious difficulties as a result of rapid environmental changes because they may not have enough time to adapt genetically or behaviorally. Natural selection, the process by which beneficial qualities progressively increase in frequency in a population over time, often takes place gradually over many generations. The rate of change, however, can exceed populations' capacity for adaptation when environmental changes happen quickly, such as those brought on by human-induced climate change or habitat degradation.

To know more about populations

https://brainly.com/question/11900937

#SPJ1

the karma-run wheel of birth, death, and rebirth is called __________.

Answers

The karma-run wheel of birth, death, and rebirth is called Samsara based on Eastern religions and philosophies.

Samsara represents the cycle of existence, driven by one's actions (karma) and their consequences, leading to continuous reincarnation until one achieves enlightenment and liberation.

Hinduism, Buddhism, Jainism, and Sikhism are just a few of the Eastern religions and philosophies that place a strong emphasis on the idea of the "karma-run wheel of birth, death, and rebirth." Samsara is another name for it.

This idea holds that every living thing is enmeshed in a cycle of birth, death, and rebirth that is determined by their karma, or the totality of their deeds in previous lives. Until emancipation, also known as moksha, which is the ultimate objective of human life, this cycle never ends.

The concept that all beings perpetually pass through these three phases, with death serving as the transition between each life, is represented by the cycle of birth, death, and rebirth.

Learn more about karma here:

https://brainly.com/question/31277379

#SPJ11

a mutation in phosphofructokinase reduces its ability to bind adp at an allosteric binding site. how would this affect glycolysis?

Answers

A mutation in phospho-fructo kinase that reduces its ability to bind ADP at an allosteric binding site would negatively affect glycolysis.

Phospho-fructo kinase is a key regulatory enzyme in glycolysis, catalyzing the conversion of fructose-6-phosphate to fructose-1,6-bisphosphate. Phospho-fructo kinase is allosterically activated by AMP and ADP, which increase the enzyme's activity by binding to a specific allosteric site.

A mutation in phospho-fructo kinase that reduces its ability to bind ADP at the allosteric site would decrease the enzyme's sensitivity to the presence of ADP, resulting in a decrease in the enzyme's activity. The conversion of fructose-6-phosphate to fructose-1,6-bisphosphate would be slowed down, leading to a decreased rate of glycolysis.

To learn more about mutation follow the link:

https://brainly.com/question/30696458

#SPJ1

ruvc endonuclease resolves holliday junctions according to a patch recombination model if ______?

Answers

Answer:

Initiates cleavage of the DNA strand not complementary to the guide RNA.

Explanation:

Hope this helps <3

The RuvC endonuclease resolves Holliday junctions according to a patch recombination model if two specific sequences are present.

These sequences are known as the convergent patch, which is located at the 5' end of the Holliday junction, and the divergent patch, which is located at the 3' end of the junction.

The convergent patch is a short sequence of nucleotides, typically 7-9 bases long, that is complementary to the beginning of the junction. The divergent patch is also a short sequence of nucleotides, typically 6-7 bases long, that is complementary to the end of the junction.

The RuvC endonuclease will cut the strands at the convergent and divergent patches, which will separate the strands and resolve the Holliday junction. This patch recombination model is used in many types of DNA repair and replication processes.

Know more about nucleotides here

https://brainly.com/question/16308848#

#SPJ11

You add both rotenone and carboxin to cells. do you see any oxygen consumption? what does this tell you about electron transfer to ubiquinone?

Answers

There is no oxygen consumption observed when both rotenone and carboxin are added to cells, it suggests that electron transfer through complex III of the electron transport chain to ubiquinone is also inhibited.

Rotenone and carboxin are inhibitors of mitochondrial electron transport chain complexes I and III, respectively. When added together to cells, they can cause a complete inhibition of the electron transport chain, thereby stopping oxidative phosphorylation and ATP production. The lack of ATP production should lead to a decrease in oxygen consumption by the cells.

If there is no oxygen consumption observed when both rotenone and carboxin are added to cells, it suggests that electron transfer through complex III of the electron transport chain to ubiquinone is also inhibited.

This is because carboxin is specifically an inhibitor of complex III, and if the cells are unable to consume oxygen, it suggests that there is no electron transfer through complex III. Additionally, inhibition of complex I by rotenone means that there is no electron transfer to ubiquinone through this complex either.

Know more about rotenone here:

https://brainly.com/question/31131203

#SPJ11

Final answer:

When rotenone and carboxin are added to cells and no oxygen consumption is observed, it suggests that electron transfer to ubiquinone is disrupted.

Explanation:

In the presence of oxygen, pyruvate enters the Krebs cycle where additional energy is extracted as electrons are transferred. NADH and FADH2 then pass electrons on to the electron transport chain, which uses the transferred energy to produce ATP. The final electron acceptor in the electron transport chain is oxygen, and it creates water inside the mitochondria. Therefore, if both rotenone and carboxin are added to cells and no oxygen consumption is observed, it indicates that electron transfer to ubiquinone is disrupted.

Learn more about electron transfer to ubiquinone here:

https://brainly.com/question/37829212

#SPJ12

one of the major effects of anp produced by the heart is that it __________.

Answers

One of the major effects of ANP (atrial natriuretic peptide) produced by the heart is that it promotes natriuresis, which is the excretion of sodium and water from the body. This is accomplished through several mechanisms.

First, ANP increases the filtration rate of the kidneys, which allows more sodium and water to be filtered out of the blood and into the urine.

Second, ANP inhibits the reabsorption of sodium and water in the renal tubules, which prevents these substances from being returned to the bloodstream.

Finally, ANP stimulates the dilation of blood vessels, which reduces blood pressure and promotes the excretion of sodium and water.

Overall, ANP plays an important role in regulating fluid and electrolyte balance in the body. When there is an increase in blood volume or pressure, the heart releases ANP to promote natriuresis and reduce the volume of fluid in the body. This helps to maintain homeostasis and prevent the development of conditions such as hypertension or edema.

To know more about ANP (atrial natriuretic peptide) click this link-

https://brainly.com/question/31766992

#SPJ11

t cells recognize epitopes only when they are bound to __________.

Answers

T cells recognize epitopes only when they are bound to the major histocompatibility complex (MHC) molecules on the surface of antigen-presenting cells (APCs) or infected cells.

This interaction between the T cell receptor (TCR) on the T cell and the MHC-peptide complex presented on the APC or infected cell is necessary for the activation and proliferation of the T cell, leading to an immune response against the specific pathogen or antigen. This process is known as antigen presentation and is critical for the adaptive immune system to function effectively in combating infections and diseases.

To know more about infected cells click here:

https://brainly.com/question/13051053

#SPJ11

5. Explain the effect, causes and control measure of marine littering. ​

Answers

Marine littering is the act of disposing of waste materials into the ocean, which can have detrimental effects on the marine ecosystem.

The effects of marine littering can be significant, ranging from entanglement and ingestion by marine life to the disruption of entire ecosystems. The main causes of marine littering are the improper disposal of waste materials, including plastics, fishing gear, and shipping debris, and the lack of awareness about the issue. Controlling marine littering requires a multifaceted approach.

One of the most effective measures is to reduce the amount of waste that enters the ocean by improving waste management practices on land. This can be achieved through education campaigns, stricter regulations, and the development of more sustainable products and packaging.

To learn more about marine follow the link:

https://brainly.com/question/23722171

#SPJ4

all of the following statements are true about bile except: group of answer choices emulsifies fat made by the liver stored in the gallbladder released into the pancreas

Answers

"Bile is not released into the pancreas."

Bile is a digestive fluid that is produced in the liver and stored in the gallbladder.

Its main function is to emulsify fats, which means it breaks down large fat molecules into smaller ones so that they can be more easily digested by enzymes.

Bile is released from the gallbladder into the small intestine when fatty foods are present. However, bile is not released into the pancreas.



Hence, Bile emulsifies fat and is made by the liver and stored in the gallbladder. It is not released into the pancreas.

learn more about pancreas click here:

https://brainly.com/question/401066

#SPJ11

Identify the correct statement(s): In the Bighorn mountain sheep (Ovis canadensis) metapopulation studied in the Southern California desert over the past 70 years:
Select one or more:
a. over one hundred individuals per area were required to maintain Minimum Viable Population sizes for each population over this period
b. no sink populations have completely disappeared
c. source and sink populations have shifted with natural relocation and migration of sheep
d. canals, fences, highways, and human settlements have restricted gene flow and migration
e. habitat which may have been occupied in the past is no longer available

Answers

In the Bighorn mountain sheep (Ovis canadensis) metapopulation studied in the Southern California desert over the past 70 years, all of the statements (a-e) are true.

Over this period, research has shown that over one hundred individuals per area were required to maintain Minimum Viable Population sizes for each population. Despite this, some sink populations have still completely disappeared.

Additionally, source and sink populations have shifted with natural relocation and migration of sheep. Unfortunately, human developments such as canals, fences, highways, and human settlements have restricted gene flow and migration, resulting in a decrease in habitat availability.

This has meant that some habitats that may have been occupied in the past are now no longer available. As a result, conservation efforts are necessary to ensure the continued survival of this species, and the preservation of its unique and diverse habitat.

Therefore, all the options are correct.

know more about Population sizes here

https://brainly.com/question/30239828#

#SPJ11

the ____ is the branch of the eighth cranial nerve that conducts auditory signals to the brain

Answers

Answer:

cochlear nerve.

Explanation:

The cochlear nerve is the branch of the eighth cranial nerve that conducts auditory signals to the brain

The cochlear nerve is one of two branches of the eighth cranial nerve, also known as the vestibulocochlear nerve. The other branch, the vestibular nerve, is responsible for conveying information related to balance and spatial orientation to the brain.

The cochlear nerve originates in the hair cells of the cochlea, a spiral-shaped structure in the inner ear, and carries auditory information to the brainstem and ultimately to the auditory cortex in the temporal lobe.

To learn more about cranial, click here:

https://brainly.com/question/30431228

#SPJ11

what would you expect the levels of 2.3-bpg (same as 2,3-dpg) to be in mark's blood compared to normal?

Answers

2,3-BPG, also known as 2,3-diphosphoglycerate, is a molecule found in red blood cells and plays an important role in oxygen transport. Normally, 2,3-BPG levels in the blood should be between 1.2-2.3 mM.

If the 2,3-BPG levels in Mark's blood are lower than normal, it could indicate a decrease in oxygen-carrying capacity and a possible decrease in oxygen availability to the tissues. On the other hand, if the levels of 2,3-BPG in Mark's blood are higher than normal, it could indicate an increase in oxygen-carrying capacity and an increase in oxygen availability to the tissues.

In either case, further testing is necessary to make a diagnosis and assess the cause of any abnormal levels. If any abnormalities are found, Mark should seek medical care to address the underlying cause and receive appropriate treatment.

know more about oxygen transport here

https://brainly.com/question/17094907#

#SPJ11

if the production of hormones at the thyroid gland increases, will the following increase or decrease? drag each label to the appropriate box.

Answers

If the production of hormones at the thyroid gland increases, the following will increase:

- Metabolic rate
- Heart rate
- Body temperature
- Appetite

The thyroid gland plays a crucial role in regulating metabolism and energy production in the body. When the production of thyroid hormones (T3 and T4) increases, it triggers an increase in metabolic rate, which is the rate at which the body converts food into energy. This increased metabolic rate also leads to an increase in heart rate, body temperature, and appetite, as the body needs more energy to sustain its functions.

In summary, an increase in thyroid hormone production leads to an increase in metabolic rate, heart rate, body temperature, and appetite. This can have implications for individuals with thyroid disorders, as an overactive thyroid (hyperthyroidism) can cause symptoms such as weight loss, rapid heartbeat, and increased body temperature, while an underactive thyroid (hypothyroidism) can lead to weight gain, fatigue, and low body temperature.

To know more about hormones, visit;

https://brainly.com/question/64686

#SPJ11

If the production of hormones at the thyroid gland increases, will the following increase or decrease? Drag each label to the appropiate box.

those who argue for genetically modified foods cite all of the following except: group of answer choices increased vitamin content in foods. increased supply of food. drought-resistant plants. improved food taste. increased susceptibility to some pests.

Answers

The term "except" suggests that one of the given options is not cited by those who argue for genetically modified foods.

The option that is not cited by those who argue for genetically modified foods is "increased susceptibility to some pests." Instead, they argue for genetically modified foods to increase vitamin content in foods, increase the supply of food, create drought-resistant plants, and improve food taste. The purpose of genetically modified foods is to enhance the quality of food and provide benefits to the environment, economy, and human health.

Advocates for genetically modified (GM) foods often highlight the benefits, such as increased vitamin content in foods, increased supply of food, drought-resistant plants, and improved food taste. However, they do not argue for increased susceptibility to some pests, as this would be considered a disadvantage rather than a benefit of GM foods.

learn more about drought-resistant plants

https://brainly.com/question/30052575

#SPJ11

How do temperate grasslands differ from tropical grasslands

Answers

Answer:

Temperate grassland have dry and wet season that remain warm all time. Tropical grassland have cold winters and warm summers with some rain

brains of people with antisocial personality disorder often exhibit _____ activity in the _____.

Answers

Brains of people with antisocial personality disorder often exhibit lower activity in the prefrontal cortex.

The prefrontal cortex is responsible for regulating impulses, controlling emotions, and making decisions based on moral reasoning. The reduced activity in this area may explain why individuals with antisocial personality disorder have difficulty controlling their behavior and making ethical decisions.

Additionally, researchers have found that individuals with antisocial personality disorder have higher levels of activity in the amygdala, which is responsible for processing emotions like fear and aggression. This heightened activity in the amygdala may contribute to the impulsivity and aggressive behavior that is often associated with this disorder.

It is important to note that while brain activity can provide insight into the underlying mechanisms of antisocial personality disorder, it is not a definitive explanation. Antisocial personality disorder is a complex condition that is influenced by a variety of factors including genetics, environment, and upbringing.

Know more about   brain  here:

https://brainly.com/question/1247675

#SPJ11

on a calm, cold day, the sensible temperature is often ____ than the thermometer reading.

Answers

On a calm, cold day, the sensible temperature is often lower than the thermometer reading.

The thermometer measures the actual temperature of the air, while the sensible temperature takes into account other factors that affect how cold it feels to humans. One of these factors is wind chill, which is the additional cooling effect that wind has on our bodies. When the wind is calm, the sensible temperature is closer to the thermometer reading, but as wind speed increases, the sensible temperature drops rapidly.

Another factor that affects the sensible temperature is humidity. When the air is dry, our bodies can more easily regulate our internal temperature, so we feel less cold. But when the air is humid, our sweat doesn't evaporate as quickly, so we feel colder.

Overall, the sensible temperature gives a more accurate representation of how cold it actually feels outside, taking into account factors beyond just the air temperature.

Learn more about thermometer here: https://brainly.com/question/30351301

#SPJ11

both gpcrs and rtks choose one: a. are phosphorylated upon binding to signal by transphosphorylation b. activate a trimeric g protein c. are transmembrane proteins with an extracellular domain that binds a signal and an intracellular domain that acts to transmit the signal d. all of the above

Answers

Both GPCRs (G protein-coupled receptors) and RTKs (receptor tyrosine kinases) are transmembrane proteins with an extracellular domain that binds a signal and an intracellular domain that acts to transmit the signal (option c).

GPCRs are activated by ligands such as hormones, neurotransmitters, and sensory stimuli.  RTKs are activated by growth factors and other signaling molecules,

Both GPCRs and RTKs have different mechanisms of action but they share a common structural feature, that is : they are both transmembrane proteins with the extracellular domain that binds signal and intracellular domain that acts to transmit the signal.

This allows them to relay signals from outside the cell to the inside of the cell, where they activate intracellular signaling pathways and ultimately leads to cellular response.

To know more about GPCRS and RTKs, refer

https://brainly.com/question/15208732

#SPJ11

Vessel elements are dead cells that are part of _____ and conduct _____ through hollow tubes.a)sieve-tube members; sugarb)xylem; sugarc)phloem; waterd)xylem; water

Answers

Vessel elements are dead cells that are part of xylem and conduct water through hollow tubes

Vessel elements are dead cells that are a part of the xylem tissue in plants. They conduct water and minerals through hollow tubes from the roots to the leaves, where they are used in photosynthesis and other plant processes.

Unlike sieve-tube members in the phloem tissue, vessel elements do not transport sugars or other organic compounds.

The structure of vessel elements allows for efficient and rapid movement of water and minerals through the plant, helping to maintain the plant's water balance and providing the necessary nutrients for growth and development.

To learn more about xylem, click here:

https://brainly.com/question/15918718

#SPJ11

Which action is the only way to become sober?

Answers

Avoiding alcohol and other intoxicating substances is the only way to get sober. This is due to the way that alcohol and other intoxicants affect the brain, which results in decreased inhibitions, decreased coordination, and a euphoric mood.

The body grows habituated to these chemicals over time and needs progressively more of them to produce the same results. The person will suffer withdrawal symptoms when these substances are not there as their body gets more and more reliant on them.

The only method to become sober is to abstain from alcohol and other intoxicants since doing so allows the body to revert to its natural state without the presence of these chemicals.

Learn more about alcohol in body at :

https://brainly.com/question/10785159

#SPJ1

a blockage of the ducts from the parotid glands would a blockage of the ducts from the parotid glands would result in the production of less viscous saliva. decrease carbohydrate digestion in the mouth. decrease the sense of taste. decrease the lubricating properties of saliva. cause all of these effects.

Answers

A blockage of the ducts from the parotid glands would result in the decrease of less viscous saliva production and may affect the lubricating properties of saliva, but it would not directly affect carbohydrate digestion or the sense of taste.

A blockage of the ducts from the parotid glands would result in the decrease of saliva production from the affected gland, and this saliva would be relatively more viscous due to the absence of the watery secretion from the parotid gland. This can cause difficulty in swallowing and discomfort in the mouth.

However , it would not directly affect carbohydrate digestion or the sense of taste. The lubricating properties of saliva may also be affected, but this would depend on the severity and duration of the blockage. Therefore, the most accurate answer to the question is that a blockage of the ducts from the parotid glands would cause a decrease in the production of less viscous saliva, and it may cause a decrease in the lubricating properties of saliva, but it would not directly affect carbohydrate digestion or the sense of taste.

Visit to know more about Parotid glands:-

brainly.com/question/29350505

#SPJ11

helical and icosahedral are terms used to describe the shapes of a virus group of answer choices core. capsid. spike. envelope. capsomere.

Answers

The  answer is that helical and icosahedral are terms used to describe the shapes of a virus.

A virus is a microscopic infectious agent that can only replicate within a host cell. Its structure typically consists of genetic material (DNA or RNA) surrounded by a protein coat known as the capsid.

The capsid can have different shapes, including helical and icosahedral. Helical viruses have a long, coiled capsid that resembles a hollow cylinder, while icosahedral viruses have a roughly spherical shape with 20 equilateral triangular faces.

The capsid is made up of smaller subunits called capsomeres, which can be arranged in a variety of ways to create different shapes. The spikes and envelope are additional features of some viruses that are used for attachment and entry into host cells.

To know more about  helical visit:

brainly.com/question/30885150

#SPJ11

Final answer:

Virus capsids come in icosahedral and helical forms. Like the rabies and ebola viruses, helical capsids have a cylindrical form. Bacteriophages and HPV viruses both contain icosahedral capsids, which have spherical forms.

Explanation:

The terms helical and icosahedral are used to describe the shapes of viral capsids. Capsids are the protein shell of a virus. They encapsulate the genetic material of the virus. Helical capsids are cylindrical in shape, often seen in Rabies and Ebola viruses. Icosahedral capsids, on the other hand, have a spherical shape composed of 20 equilateral triangular faces, like most bacteriophages and HPV viruses.

Learn more about Virus Shapes here:

https://brainly.com/question/17915692

44) Four of the five answers listed below are parts of the same anatomical area. Select the exception. A) humerus B) radius C) scapula D) fibula E) clavicle

Answers

The exception in the given options is the Fibula which is a part of the lower leg. The other bones are associated with the forelimbs or shoulder.

The fibula is one of the two long bones located in the lower leg, along with the tibia. It is the smaller and thinner of the two bones. The fibula runs parallel to the tibia, on the outside of the leg, and extends from the knee to the ankle.

The other four options - Humerus, Radius, Scapula, and Clavicle - are bones of the upper extremity or shoulder girdle, while the fibula is a bone of the lower extremity, specifically the lateral bone of the leg. The humerus is the bone of the upper arm, the radius and ulna are the bones of the forearm, the scapula is the shoulder blade, the clavicle is the collarbone, and the fibula is the outer bone of the lower leg that runs parallel to the tibia.

To know more about Fibula:

https://brainly.com/question/31713831

#SPJ11

motor neurons whose cell bodies are in the cerebral cortex are called __________.

Answers

Motor neurons whose cell bodies are in the cerebral cortex are called upper motor neurons.

The cerebral cortex is the outermost layer of the brain and is responsible for higher brain functions such as thought, perception, and voluntary motor movements. Upper motor neurons originate in the cortex and project down to the spinal cord or brainstem, where they synapse with lower motor neurons that innervate muscles.

The coordination of upper and lower motor neurons is essential for normal motor function, and damage to either can result in movement disorders such as paralysis, spasticity, or tremors.

To know more about neurons visit:-

https://brainly.com/question/31215300

#SPJ11

principles of behavior like extinction, discrimination, and spontaneous recovery: group of answer choices are dependent on the individual organism apply to all animals except for higher process primates only apply to higher level animals that can comprehend consequences are able to be generalized across species

Answers

The principles of behavior like extinction, discrimination, and spontaneous recovery generalize across species. Option b is correct.

These principles are fundamental to the study of learning and behavior, and have been observed in a wide range of organisms, including invertebrates and lower-level animals. These principles are not dependent on the individual organism and do not only apply to higher-level animals that can comprehend consequences. Therefore, option (b) is the correct answer.

For more question on extinction click on

https://brainly.com/question/1027555

#SPJ11

correct form of question are

Principles of behavior like extinction, discrimination, and spontaneous recovery:

a) Are dependent on the individual organism

b) Generalize across species

c) Only applies to higher-level animals that can comprehend consequences

d) Apply to all animals except for higher-processing primates

what is the term for an occurrence that can cause an immune response directed against both a pathogenic antigen and a self antigen that resembles it?

Answers

The term for this occurrence is molecular mimicry.

Molecular mimicry happens when a foreign antigen has a structure that is similar or identical to a self-antigen, causing the immune system to attack both the pathogen and the body's own tissues. This can lead to autoimmune diseases where the immune system mistakenly attacks healthy tissues.
                                                          The term for an occurrence that can cause an immune response directed against both a pathogenic antigen and a self antigen that resembles it is "molecular mimicry." In molecular mimicry, the immune system mistakenly attacks the body's own cells due to the structural similarity between the pathogenic antigen and the self antigen. This can potentially lead to autoimmune diseases.

Learn more about molecular mimicry

brainly.com/question/13047136

#SPJ11

considering entamoeba histolytica which of the following is false? entamoeba histolytica enter via fecally contaminated water or food. cause 50 million cases wordwide of invasive amoebiasis. cysts are swallowed, excyst in small intestine and trophozoites move into the colon and invade and destroy colonic epithelial cells. disease is limited to only the gut. cause amoebic as opposed to bacillary dysentery.

Answers

The false statement is "disease is limited to only the gut".

Entamoeba histolytica is a protozoan parasite that can cause invasive amoebiasis, which is a disease that can affect not only the gut but also other organs such as the liver, lungs, and brain. Invasive amoebiasis can occur when the parasite invades the intestinal wall and spreads to other organs through the bloodstream.

Entamoeba histolytica is typically transmitted through the fecal-oral route, when cysts of the parasite are ingested through contaminated water or food. The cysts can survive outside the host and can remain viable for several weeks in the environment.

Once the cysts are ingested, they excyst in the small intestine and release trophozoites, which move into the colon and can invade and destroy colonic epithelial cells. This can lead to symptoms such as diarrhea, abdominal pain, and bloody stools, which are characteristic of amoebic dysentery.

Therefore, while Entamoeba histolytica primarily affects the gut and can cause amoebic dysentery, it is not limited to the gut and can cause invasive amoebiasis, which can affect other organs as well.

To know more about trophozoites

brainly.com/question/30822829

#SPJ11

a mother and father, who are both carriers for sickle cell disease have three children. one of their children has sickle cell disease and the other two do not. what is the probability that their fourth child will have sickle cell disease? sickle cell is an autosomal recessive trait. group of answer choices 0%

Answers

The probability that their fourth child will have sickle cell disease is 25% or 1/4.

This is because sickle cell disease is an autosomal recessive trait, which means that an individual must inherit two copies of the mutated gene (one from each parent) to have the disease.

In this case, both parents are carriers, which means that they each have one normal gene and one mutated gene.

When they have children, each child has a 25% chance of inheriting two mutated genes and having sickle cell disease, a 50% chance of inheriting one normal gene and one mutated gene and being a carrier like the parents, and a 25% chance of inheriting two normal genes and not having the disease or being a carrier.

Since their third child does not have sickle cell disease, they must have inherited one normal gene from each parent.

Therefore, the probability that their fourth child will inherit two mutated genes and have sickle cell disease is 25%, or 1/4.

For more such answers on Sickle Cell Anemia

https://brainly.com/question/17063471

#SPJ11

one thousand two hundred deer are living on an island that is eight hundred square kilometers in size. what is the population density of the deer per square kilometer?

Answers

To calculate the population density of the deer per square kilometer, we need to divide the total number of deer by the size of the island. So, the population density of the deer per square kilometer would be:

1,200 deer ÷ 800 square kilometers = 1.5 deer per square kilometer

Therefore, the population density of the deer per square kilometer is 1.5.

Find out more about  population density

brainly.com/question/14091143

#SPJ11

in the threat model stride, the s stands for ____ or pretending to be someone else.

Answers

In the threat model STRIDE, the "S" stands for Spoofing or pretending to be someone else.

STRIDE is a mnemonic that stands for the six primary threat categories that can affect computer security: Spoofing, Tampering, Repudiation, Information Disclosure, Denial of Service, and Elevation of Privilege.

The STRIDE model helps developers and security professionals to identify and mitigate potential security threats by categorizing them into these six categories.

Spoofing refers to an attack where an attacker pretends to be someone else in order to gain unauthorized access to a system or network.

This can be done in a variety of ways, such as by using a fake email address or website that looks legitimate, or by using stolen credentials to log in as someone else.

Spoofing attacks can be particularly dangerous because they can be difficult to detect and can allow an attacker to access sensitive data or perform malicious actions without being detected.

To learn more about stride, click here:

https://brainly.com/question/14365295

#SPJ11

Other Questions
what is the effect of an increase on the minimum wage on the number of workers. the number of workers supplied Which sentences identify two characteristics of fascism?Fascism is a type of totalitarianism.Fascism is a system in which limited capitalism exists to serve the nation.Fascism fosters economic competition so that individuals may better their lives.Fascism is an ideology that treats all races of people equally. Previous Question 12 Determine whether the integral is divergent or convergent. If it is convergent, evaluate it. If it diverges to infinity, state your answer as "oo" (without the quotation marks). If it diverges to negative infinity, state your answer as "-00". If it diverges without being infinity or negative infinity, state your answer as "DNE". home -1.4.1 e *de 1.6 2. geraldo, a high school senior, is so fearful of asking a girl out that he hasn't had a date in over three years. he has recently contacted a psychotherapist for help in overcoming his fear. describe how a humanistic therapist and a psychoanalyst would treat geraldo's problem. Which is TRUE of the number of doctors per 10,000 people in the United States?OA. The United States has more doctors than any other nation.OB.It is significantly better in urban areas than rural.O C.It is very low compared to the numbers in the developing world.O D.It is not an accurate measure of the quality of health care in the United States. the pituitary gland and a part of the hypothalamus are among only a few parts of the brain that are not protected by the blood-brain barrier. one explanation for this could be: they are not actually part of the brain. they developed from epithelial cells, not neurons. the toxic substances blocked by the barrier do not affect them. the barrier would block hormone secretion. they cannot produce sufficient hormone quantity without a blood supply. all members of this group played in the late 1940s in dizzy gillespies big band. what is the group called? fish may contain high levels of ________, which can be harmful to a developing fetus. Find the total surface area of this composite figure. the term "fecundity" refers to an organism's ____________ while fertility is ______________. 2. You dissolve 3 moles KBr into 46 moles of water. Calculate the mass percent Why does Lady Waldemar describe her voice as being empaled?-to show how powerful Aurora's poetry is-to imply that Aurora's poetry is poorly written-to emphasize the pain reading Aurora's poetry caused her-to reveal how much she disliked reading aloud to Mister Leigh in 1531, he led an expedition into south america and began the conquest of the inca empire. who is he? use the information in the table to calculate a consumer price index (cpi) and the inflation rate. the base year is 1975. round answers to two decimal places. market basket quantity 1975 prices 1976 prices a dozen eggs 25 $0.90 $1.50 calculator 18 $13.00 $16.00 microwave oven 6 $160.00 $200.00 what is the cpi for 1975? one of the ways that spam is able to propagate is by taking advantage of servers that will accept email from anyone; these are known as frederic is hired as a reporter for a popular news organization. he is expected to write, edit, and proofread stories within deadlines. the organization's expectations are referred to as behaviors. group of answer choices withdrawal dysfunctional psychological performance physical If light strikes the air/glass interface at an incidence angle of 32.0 degrees what is the angle of refraction theta_b 7 Use 1.50 for the index of refraction of glass. why is the death of ted lavender important to your understanding of the story? how many times is lavender's death retold? how is it different in the various readings? 100 points\brainliest Which statements accurately describe the two body forms of cnidarians? Check all that apply.Polyps are shaped like an upside-down bowl.Polyps are adapted for swimming.Medusae swim freely through the water.Medusae have a mouth that opens upward.Both medusae and polyps have tentacles.Both medusae and polyps have a central cavity. How can Southern hybridisation detect hybridised fragments?