The microvilli found on the cells lining the intestines are small projections that are covered with a plasma membrane. These folds increase the surface area of the cell, allowing more nutrients to be absorbed from the food that is passing through the intestines.
The microvilli act like tiny fingers, grasping and then releasing molecules of nutrients, such as carbohydrates, proteins, vitamins, and minerals, so they can be absorbed into the cell. The nutrients are then transported through the cell and into the bloodstream, where they are used by the body.
Microvilli also secrete digestive enzymes, such as lactase, lipase, and amylase, which further break down the food particles so they can be absorbed more easily. Additionally, microvilli act as filters to help block the entry of potentially harmful bacteria and toxins into the body.
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Why is it important for a pregnant woman to know her Rhesus blood type, and the Rh blood type of the father of her baby?
Answer: One of the first tests a pregnant woman should expect is a blood-type test. This test checks her blood type and Rh factor. Her Rh factor may play a role in her baby's health, so it's important to know this information early in pregnancy.
Explanation: if you're Rh negative and your baby is Rh positive, your body might produce proteins called Rh antibodies after exposure to the baby's red blood cells. The antibodies produced aren't a problem during the first pregnancy. The concern is with your next pregnancy.
Which of the following statements best explains differences between the finches?
A. Some finches were born with beaks that allowed them to have better access to different sources of food. These finches reproduced and passed on their genes.
B. The beaks of the finches changed so all of the finches could eat the same types of food.
C. The beaks of the finches changed as the species of finches migrated to the same island.
D. The beaks of the finches changed as the finches' body sizes changed.
Answer:
I THINK the answer is C
Explanation:
The statement best explains the difference between the finches is the beaks of the finches changed as the species of finches migrated to the same island.
What is Finch?Finches are small or medium-sized passerine birds. They have small round beaks that are suitable for eating seeds and berries. They are present in various vibrant colors and are not migratory.
Thus, the correct option is C.
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Proteins have all of the following properties except
1 enzymes
2signal molecules
3genetic material
4 transport
5 structural
Answer:
Option 3. Genetic material
Explanation:
Why can animals with a lot of fat in their bodies live in places that are cold and don’t have a lot of food
Answer:
Explanation:
the fat insulated the body keeping it warm and the fat stores nutrients to keep the animal sustained
Attached ear lobe is a dominant trait. Cross two heterozygous parents for ear lobe attachment (Ee X Ee). What is the expected phenotypic ratio
Attached earlobes are a dominant trait. Cross between two heterozygous parents for earlobe attachment (Ee X Ee). The expected phenotypic ratio is 3:1.
Earlobe attachment is a dominant trait. So the dominant allele is represented as 'E' and the recessive allele is represented as 'e'. The homozygous individual will have a genotype EE and the heterozygous individual is represented as Ee.The cross between two heterozygous individuals as parents (Ee×Ee) will give 1EE(homozygous dominant):2Ee(heterozygous dominant):1ee(homozygous recessive).
Phenotypic ratio means the ratio of the morphological appearance in the offsprings. So the phenotypic ratio in this case is 3 (dominant):1(recessive).
But if the phenotypic ratio if a heterozygous cross is 2:1, then it means that it has a lethal gene.
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Match the cell organelle to the body system with the same function. Nucleus controls all the functions of the cell. Lysosomes breaks down food eliminate the waste of the cell Cytoskeleton provides structure and allows movement in the cell Cell membrane protects against invaders and control internal structures from the external environment Mitochondria break down nutrients to produce energy Vacuole stores water and waste Cell Wall provides protection and support Cytoplasm transports material within the cell Centriole makes new cells (new humans) Smooth Endoplasmic Reticulum helps to synthesis hormones Skip to navigation
Answer:
The correct answer is - all the cell organelles are correctly matched with the functions already -
Nucleus - controls all the functions of the cell.
Lysosomes - breaks down food eliminate the waste of the cell
Cytoskeleton - provides structure and allows movement in the cell
Cell membrane - protects against invaders and control internal structures from the external environment
Mitochondria - break down nutrients to produce energy
Vacuole - stores water and waste
Cell Wall - provides protection and support
Cytoplasm - transports material within the cell
Centriole - makes new cells (new humans)
Smooth Endoplasmic Reticulum - helps to synthesis hormones
Explanation:
In the cell, there are different organelle present that has specific functions. The nucleus is the cell organelle that has genes and DNA that controls various functions of the cell. Lysosomes are the cell organelle that removes waste from the cell and also helps in the digestion or breakdown of the fat. The mechanical support and movement are allowed by the cytoskeleton.
The cell wall is the external structure that provides support to the cells. Mitochondria is the cell structure that provides energy. Smooth ER provides the hormone's synthesis. Cytoplasm transports material within the cell.
PLEASE HELP PLEASE PLEASE PLEASE
B
Explanation: hope this helps, mitosis has two identical daughter cells and mieosis is 4 sex cells(:
Watch the short tedtalk (its like 6-8 minutes, link in image) and respond to the following questions
Why does the speaker say it is important for her to offer her daughter choices? How does the speaker compare that to the importance of choice for the animals she cares for?
Summarize how Holly’s chimpanzee behaviors were different from the rest of the troupe.
What approach did the speaker and her team decide to take to help Holly? Give at least three specific examples.
What did the team observe about Holly and her troupe over time?
Why is offering choice a revolutionary concept at a zoo? Identify an element from what you read in the unit as to how zoos are changing that also serve the purpose of offering animals more choice.
Applying this learning to yourself. Identify a time when you might have resented feeling enclosed, but the offer of choices improved your outlook.
The speaker mentions some examples of activity bins that they used as enrichment materials for Holly. Identify two materials that you would be curious about giving Holly in a bin to see how she would interact with that material. Keep Holly’s safety in mind as you make your suggestions; avoid things that would endanger her or the troupe!
The unit mentions that an important factor in zookeeping is to give animals their space, as they are wild animals after all. How do you think zookeepers balance their need for research and helping specific animals, like Holly with respecting Holly’s need for “wild space.”
Because Holly doesn't interact socially with other animals, she exhibits different behavioral patterns from other animals. Innovative ideas will help animals connect with their surroundings more effectively in zoos.
What is Animal Behavioral Pattern?Animals' usual responses to a specific stimuli or circumstance are referred to as behavioral patterns in animals. Foraging, migration, courtship, communication, mating, and parenthood are a few examples of these patterns.
a)
The speaker on the TED talk show argues that giving her daughter choices is crucial because it helps her daughter grow in autonomy and self-determination. In a similar vein, the speaker is of the opinion that animals should be given the chance to display their natural behaviors through choice. Holly's chimpanzee habits were distinct from those of the rest of the troop because she was less social, spent more time by herself, and was less willing to investigate her surroundings. The speaker and her team made the decision to provide Holly with extra options in order to aid in her comfort and safety. They modified the design of the room and provided her with activity bins filled with various materials and objects for her to investigate.
b)
A novel idea in zoos is to give animals the freedom to display their natural behaviors and choose how to interact with their surroundings. Zoos are evolving by giving the animals more natural environments so they may explore their surroundings and make more decisions about how to behave. Zoos are now offering more naturalistic enclosures, which allow the animals to walk around more freely and decide where they want to go and what they want to do, as an illustration from the unit.
c)
When I was studying for tests, I would have disliked feeling confined, but the availability of options helped my attitude. I gave myself the option to take a break and engage in something else I enjoyed because I was feeling overburdened by the amount of material I had to study. This decision enabled me to step back and unwind, which enhanced my viewpoint and assisted me in controlling my stress levels.
d)
A mirror and a ball are two items I'd be curious to put in a bin for Holly to play with to see how she might react. A ball may give Holly an interactive toy that she could play with by herself or with the other chimpanzees, while a mirror could enable her to study her own reflection.
e)
Zookeepers provide Holly with enrichment activities that let her explore her surroundings and make decisions without having to be directly interacted with in order to strike a balance between their need for research and aiding particular animals, like Holly, and respecting Holly's need for "wild space." They also give her adequate room to move about unrestrictedly and engage in social interactions with the other chimpanzees without feeling crowded.
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What is evolution ? In your own words.
30 points
Can I get kept back for failing Horticulture? Yes No?
I currently have a 36
Explanation:
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Match the following communication systems with their descriptions:
Please help!! I need the answer ASAP
Answer:
I think it's
7 - c
8 - a
9 - b
If this isn't correct please let me know so I can change it I am just trying to get you an answer.
What is the main cause of hereditary disease?
Answer:
Inherited disorders are caused by gene mutation. These include sickle cell anemia, hemophilia, color blindness.
Explanation:
What is a gene pool?
A. the liquid environment around the nucleus of a cell
B. all the available traits in a population
C. a place where your genes learn to swim
Answer:
I THINK your answer is B
Explanation:
What is the form of reproductive isolation in which two or more species reproduces at different times?
Answer:
Explanati
Temporal isolation
Temporal isolation happens when two or more species reproduce at different times.on:
How do you introduce energy conservation?
Energy cannot be created or destroyed; it can only be changed from one form to another, according to the rule of conservation of energy.
An isolated system's total energy is constant over time in accordance with the rule of conservation of energy. The law of energy conservation applies to all kinds of energy.
Most importantly, energy conservation can be accomplished by either using less energy or by using fewer services. First of all, conserving energy is crucial for preserving non-renewable energy sources. Additionally, the regeneration process for non-renewable energy sources takes centuries.
In the planning and construction of buildings, energy conservation is crucial. Since the 1970s, its prominence has grown. Concern about the implications of climate change has recently energy conservation is crucial, as concern over climate change and global warming has highlighted.
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What are the 3 types of adaptations that enable an organism to survive?
Behavioral adaptations, physiological adaptations and structural adaptations are the three types of adaptations which enable an organism to survive.
All living organisms need to adapt in order to survive. There are three types of adaptations which can enable a particular organism to survive and they include the behavioral, physiological and structural adaptations.
Structural adaptations are basically the unique features present in an organism's body which help it to survive in a particular condition. For example, ducks have webbed feet which help them to swim. The changes in different processes that occur inside an organism's body include the physiological adaptations. For example, some spiders change the physiological processes in their body to weave webs using different spider silks. Behavioral adaptations are changes in the actions which allow the organism to survive. For example, coyotes communicate by howling at night.
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Which of the following is composed of a 1:2:1 ratio of carbon to hydrogen
to oxygen? *
Carbohydrate
Protein
Nucleic Acid
Steroid
Answer:
carbohydrates
Explanation:
Organic molecules composed of carbon, hydrogen, and oxygen in a ratio of 2-hydrogen atoms to every 1 oxygen atom.
During an earthquake, tectonic plates move
WHAT IS THE OPPOSITE REACTION?
Answer: fault boundary
Explanation:
please help me with these questions fast!
Answer:
All answers are in the images
During which stage of human immunodeficiency virus (HIV) infection do significant neurologic findings occur?
A. Early disease
B. Midstage disease
C. Late disease
D. Advanced disease
During C. Late disease of the human immunodeficiency virus (HIV) infection, significant neurologic findings occur.
HIV infection progresses through the following stages if not treated:
1. Seroconversion illness Some individuals develop a brief illness shortly after contracting HIV. Seroconversion illness or primary or acute HIV infection are terms for this condition.
2. The HIV asymptomatic stage: Most people feel fine and don't have any symptoms after seroconversion. This stage, also known as the asymptomatic stage, can last for years.
3. Symptomatic HIV: The greater your risk of developing infections that your weakened immune system is unable to combat, the longer you live with HIV without treatment: HIV's direct effects, as well as some cancers.
4. Late-stage HIV: If HIV has a chance to do a lot of damage to your immune system, you might get cancer and other serious infections and opportunistic diseases. These conditions are also referred to as "AIDS-defining."
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You notice a new, beautiful aquatic plant growing in a local lake. This species has not been seen in the lake before. After doing some research, you believe the plant is a water hyacinth. These plants are not native to the lake and tend to grow in large quantities on the surface of the water. The plants grow and form dense areas of plant material, which blocks sunlight from passing through the plants.
Predict the effects of the introduced species on the community structure of the lake ecosystem.
Answer:
Sample Response: The structure of the lake ecosystem will likely become less diverse due to the introduction of the water hyacinth. Because the plants do not have any natural predators, they will grow in large quantities. These dense areas of growth will outcompete water plants that grow underneath the surface, causing them to die. Light would be blocked from reaching plants underneath the water hyacinth, decreasing native plants and algae below the surface. This could also have negative effects on the herbivores that feed on the native water plants, as they will not have as much food.
Explanation:
what app do you use for math?
Consumers at each trophic level convert only 10% of the energy in their food to energy for themselves. What happens to the other 90% of the energy their food produces
The other 90% of the energy produced by the food of the consumers at each trophic level is lost to the environment in the form of heat.
This is due to the fact that all organisms are constantly losing energy through metabolic processes such as respiration and excretion. This energy is not converted into useful energy for the organism, so it is lost as heat.
This heat is radiated out into the environment and dissipated, or it is absorbed by other organisms in the ecosystem. This is why it is important for organisms at each trophic level to consume enough food to make up for the energy lost in the form of heat.
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please please help me for biology
Answer:
earthquakes and flooding
Explanation:
Answer:
Competition
Explanation:
Density-dependent limiting factors are factors that are dependent on the density of the species; for example, if the density is low, there is not much competition, so it won't be a limiting factor, but this isn't the case when density is high.
Name some body cells that have identical DNA.
How do you treat chronic disease naturally?
Treating chronic disease naturally is becoming increasingly popular as more people look to natural remedies to support their health and wellbeing. There are a number of strategies you can use to treat chronic disease naturally, such as making lifestyle changes, utilizing natural treatments and supplements, and finding supportive resources.
Lifestyle changes are key to treating chronic disease naturally, as they can help reduce inflammation, reduce stress, and improve overall wellness.
Eating a healthy, balanced diet, exercising regularly, and getting enough sleep are all important lifestyle changes that can help to manage chronic illness. Additionally, reducing your exposure to environmental toxins and managing stress levels can be beneficial.
Natural treatments and supplements can also be used to help treat chronic disease naturally. Herbs, essential oils, and dietary supplements can be used to support a healthy immune system, reduce inflammation, and support overall wellbeing.
Finally, finding supportive resources can be helpful in managing chronic illness naturally. Support groups, online forums, and communities can provide emotional support and help connect individuals with resources and information to help them manage their chronic disease.
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What are the four main causes of mutations?
Mutations are brought on by environmental factors, often known as mutagens. Mutagens include things like radiation, chemicals, and pathogenic agents. Mutations can happen spontaneously in nature.
An organism's phenotype, or outward traits, may or may not be affected by a mutation. Among the good and bad biological processes that mutations participate in include evolution, cancer, and the maturation of the immune system, including junctional variation. All genetic diversity is the outcome of mutation, which also justifies the actions of evolutionary processes like natural selection. For an adaptive immune response to be successful, antigen-presenting cells (APCs), which are necessary for the smooth operation of both cytotoxic and helper T cells, must be present.
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explain what a plant produces in each of the two parts of its life cycle
Plants have two distinct stages in their lifecycle: the gametophyte stage and the sporophyte stage. After reaching maturity, the diploid sporophyte produces spores by meiosis, which in turn divide by mitosis to produce the haploid gametophyte. The new gametophyte produces gametes, and the cycle continues.
Hope that helps
How many days Monggo seeds grow?
The Monggo seeds require 3-4 months of time to reach the stage of maturity from their initial seed stage.
Monggos is another name for the mung beans also known by the scientific name Vigna radiata. These are green colored lentils that belong to the legume family. The main regions where the cultivation of mung beans takes place is East, Southeast and South Asia.
Seed is the initial stage of any plant. It is the fertilized ovule that remains undeveloped as a plant. A seed has the potential to remain dormant for various years. It however possesses all the necessary enzymes and nutrients for its growth and development into a mature plant.
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How would cyanide poisoning affect the rest of the ETC and proton gradient across the inner mitochondrial membrane?
After the cyanide poisoning the proton gradient will be reduced. Moreover, it will lead to the stopping of the electron transport chain (ETC). Because it prevents the complex IV from transporting electrons, cyanide functions as a poison.
Most of the electron transport chain will abruptly slow down and cease if complex IV cannot transmit electrons. Protons won't be pumped out of the matrix and into the intermembrane space if electrons aren't traveling along the transport chain. The gradient will deteriorate as the protons already in the intermembrane space move down their gradient and into the matrix because they won't be replaced. Thus, this will cause the intermembrane space's pH to decrease.
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What is the probability of rolling a 6, then a 5, then a 4?