Fast reproduction by binary fission enables bacteria to
cause infections in other organisms.
quickly modify their DNA to changing conditions.
change shape from coccus to bacillus.
transfer DNA from one cell to another.
Answer:
A.) Cause infections in other organisms
Explanation:
Binary fission helps the bacteria to cause infections in other organisms because of duplication of its genetic material.
Through fast reproduction in bacteria enables to cause infections in other organisms by binary fission.
How does binary fission help bacteria reproduce quickly?
During binary fission, the chromosome copies itself, forming two genetically identical copies. Then, the cell enlarges and divides into two new daughter cells.
The two daughter cells are just like the parent cell. Binary fission can happen very rapidly.
In the process of binary fission, an organism duplicates its genetic material, or desoxyribonucleic acid (DNA), then divides into two parts (cytokinesis), with each new organism receiving one copy of DNA.
Many prokaryotic organisms like bacteria reproduce by the method of binary fission.
Therefore, the correct option is A that bacteria cause infections in other organisms.
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During which period did humans first appear on Earth? Quaternary Neogene Paleogene Cenozoic
ANSWER: Quaternary
just took the quiz on edge
The first human ancestors came nearly about five million and seven million years ago. The first human appeared on Earth in Quaternary.
What is Quaternary?Quaternary is the most recent period of Cenozoic era. It is typically referred by the cyclic growth and decay of continental ice sheets.
The 2.6 million years of the Quaternary is the time during which humans existed. It comprises the shortest time interval.
Thus, the correct option is A.
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Both a breathing guinea pig and burning charcoal give off the same amount of heat energy when the same amount of O2 is used up.
Which of the following statements is most closely related to this observation?
A. In ordinary changes energy may be transferred from one form to another, but it is not destroyed.
B. In ordinary changes matter is neither created nor destroyed.
C. As a product of a reaction accumulates, its abundance automatically cuts down the formation of the product.
D. The smaller the mammal, the higher its metabolic rate.
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Question 79 1 pts Both a breathing guinea pig and burning charcoal give off the same amount of heat energy when the same amount of Oz is used up. Which of the following statements is most closely related to this observation? In ordinary changes energy may be transferred from one form to another, but it is not destroyed. In ordinary changes matter is neither created nor destroyed. As a product of a reaction accumulates, its abundance automatically cuts down the formation of the product. The smaller the mammal, the higher its metabolic rate. D Question 80 1 pts During respiration the amount of Oz consumed can be calculated from the amount of CO2 produced.
Explanation:
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The statement which is most closely related to this observation is that In ordinary changes energy may be transferred from one form to another, but it is not destroyed.
What is Law of conservation of energy?This states that energy can neither be created nor destroyed but can be converted from one form to another.
This explains why a breathing guinea pig and burning charcoal give off the same amount of heat energy when the same amount of oxygen is used up.
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Complete the following statements about describing a phase of meiosis. Then arrange the sentences to reflect the order in which the phases occur.
a. During _________ the nuclear envelope fragments, spindle fibers begin to form, and condensed homologues undergo.
b. During ___________ homologues separate.
c. After ________ the resulting 2 daughter nuclei are___________ meaning they each contain one chromosome from each homologue.
d. During _______ duplicated chromosomes line up at the equator.
e. During _____________ , _____________ align Independently along the equator.
f. During ____________ , the sister chromatids separate and move towards the poles.
g. During __________ , the spindle disappears and upon completion daughter cells result of cytokinesis, 4 __________ daughter cells result.
h. During ________ each duplicated chromosome attaches to the spindle.
1. Synapsis
2. Telophase Il
3. Telophase I
4. Metaphase Il
5. Haploid
6. Homologues
7. Metaphase I
8. Prophase Il
9. Anaphase I
10. Diploid
11. Prophase I
12. Anaphase Il
13. Independent assortment
Match the following terms and definitions.
1
chlorophyll-bearing organisms lacking true stems, roots, or
leaves
kelp
fucoxanthin
2. a brown pigment of the algae
any one of certain large, tough, brown seaweeds; the source
3.
of potassium, iodine, algin, and sodium carbonate
4 a red pigment found in red algae and in a few cyanobacteria
algae
phycoerythrin
Answer:
match the following from definition
first chloro peak bearing organism lekin truls rate root all leaves have frock so thin second a brown pigment of the algae or one of the container
chlorophyll-bearing organisms lacking true stems, roots, or leaves - Algae
a brown pigment of the algae - fucoxanthin
any one of certain large, tough, brown seaweeds; the source of potassium, iodine, algin, and sodium carbonate - kelp
a red pigment found in red algae and in a few cyanobacteria - phycoerythrin
What are disadvantages of cross-breeding of a chicken
hello
1.Difficult to Predict Temperaments.
2.Hard to Predict Adult Size.
3.Potential for High Risk Deliveries.
4.Still a Strong Chance for Congenital Health Issues.
5.May Be More Expensive Than a Purebred.
Explanation
The major disadvantages are that crossbreds also have the weaknesses of the breeds from which they descend and heterosis in initial crosses declines with any backcrossing to parental breeds
hope this answer correct :)
Answer: Hard to predict adult size, May be more expensive, diffcult to predict temperaments, and much more
Explanation:
Describe the biosynthetic pathway that produces catecholamines such as norepinephrine and epinephrine from amino acid precursors and explain how the lack of available amino acids precursors would impact homeostasis regulated by catecholamines.
Answer:
Tyrosine and phenylalanine are amino acids required for the synthesis of catecholamines
Explanation:
The catecholamines are hormones composed of a catechol ring group (benzene) and an amine lateral chain. One of the most common catecholamines is the neurotransmitter norepinephrine (noradrenaline). The biosynthesis pathway of the norepinephrine hormone includes the following steps: 1-tyrosine hydroxylase produces L-DOPA from tyrosine, 2-L-DOPA is subsequently tranformed into dopamine by the L-amino acid decarboxylase, and finally, 3-this chemical precursor is converted into norepinephrine by the action of the dopamine β-hydroxylase.
Phenylketonuria is a congenital metabolic disease associated with a decrease in the metabolism of phenylalanine (Phe), which is an amino acid residue that acts as a precursor of different catecholamines including dopamine, norepinephrine (noradrenaline), and epinephrine (adrenaline). Dietary restriction of tyrosine and phenylalanine is the most common treatment against phenylketonuria.
Explain why chemogenetic based methods of regulating cellular signaling result in poor temporal control of biochemical pathways relative to optogenetic based methods.
Answer:
They use different detecting methods to assess neuronal circuits
Explanation:
Chemogenetics is a technique widely used in neuroscience research to explore signaling interactions by means of genetically modified receptors capable of interacting with small molecules. Chemogenetics was first used to determine the function of the chalcone isomerase gene by inducing mutations that altered its substrate specificity. On the other hand, optogenetics is a bioluminescence-driven genetic technique used to control genetically modified neurons that express light-gated ion channel genes. This technique is also used to monitor neuronal networks. In consequence, optogenetic and chemogenetic techniques have recently been combined in order to analyze neuronal circuits, it by analyzing the same actuator molecule.
In many states, gypsy moths are harming human residents and industries. Revise your explanation to the question in part C to explain how gypsy moths can negatively affect humans.
Answer:
Gypsy moth is a pest which destroy trees.
Explanation:
Gypsy moths are harming human residents and industries because gypsy moth is a pest which destroy trees which are present in human residents. These trees are responsible to clean the environment if these trees are destroyed, the health of the people are adversely affected. It also destroy many important crops such as cotton crop so the destruction of cotton crop leads to the destruction of textile industry. Its caterpillar also produces toxin which affect human skin when they comes in contact.
Answer:
The rise of the gypsy moth population will eventually kill many trees, as they won’t be able to perform photosynthesis. This event will negatively affect the lumber and construction industries, as well as the beauty of public and private landscapes.
Explanation:
Answer on edmentum.
Which blood type can be transfused into a patient who has blood type A–?
Answer:
o negative
Explanation:
Which sequence shows the transfer of oxygen for use by the body?
Answer:
Hello!!
I think your answer is GAS EXCHANGE!
Explanation:
HOPE THIS HELPS!!
itsMATT04
The right answer is D.
Breathing is the process by which oxygen from the air gets into your lungs and gets into your body. Our lungs take oxygen from the air and carry it into our bloodstream, which carries it to the cells, tissues and organs that allow us to walk, talk and move.
Our lungs also remove carbon dioxide from our blood, through the air we breathe.
I neeed help pls answe them plssss
Answer:
Autosomal dominant and recessive: Autosomal dominant states a pattern of inheritance in which an individual carries one normal gene and one copy of a mutant gene while autosomal recessive states a pattern of inheritance in which an individual have two copies of the mutant gene.
Incomplete dominance: Incomplete dominance states a heterozygous condition in which both the alleles present are partially expressed and produces intermediate phenotype.
Codominance: In codominance and individuals receive alleles, if both the alleles are different including dominant and recessive, dominant allele will be expressed while recessive will be masked.
Multiple alleles: organisms with multiple alleles exist with two copies of every gene present in a population with variation in genes.
Sex linked gene: In humans and some other organisms, sex linked genes are influenced by genes on the X chromosome. for example: If a gene is present on the X chromosome only and not the Y chromosome.
Once set up, solar energy is inexpensive to convert to a useful form, for every day use.
True/False
Answer:
Hey there!
The answer is true, making solar energy one of the most cost effective sources of energy.
Let me know if you need more help :)
Answer: True!
Explanation:
Once set up, solar energy is inexpensive to convert to a useful form, for every day use.
All you need to do is get the converter and convert the suns energy!
7. Where do most of your blood component cells derive from and what are they referred to in their undifferentiated state?
Answer:
All of the cells found in the blood come from bone marrow. They begin their life as stem cells, and they mature into three main types of cells— RBCs, WBCs, and platelets.
Natural resources are not required for all energy producing technology
Please select the best answer from the choices provided
OT
OF
Answer:
True
Explanation:
Artificial resources can be used too.
Hope it helps.
Adaptive immunity comprises two branches: humoral immunity and cellular immunity. What are the characteristics of each of the two arms of the adaptive defense system
Answer:
Adaptive or acquired immunity is that we acquire throughout our lives through vaccines (active), breast milk (passive) or injection of specific artificial or natural antibodies to a certain pathogen (passive).
The two great arms of this immunity are the humoral and the cellular.
The humoral refers to the cytokines and immunomodulatory molecules that are responsible for transmitting fundamental messages between defense cells in order to coordinate the destruction of the pathogen between them.
Instead, cellular immunity speaks about cell lineage such as b, t, tcd4 lymphocytes, natural killers, plasmacytes, etc.
It can be said that the humoral factor is the one that coordinates the pathways and the relationships between the cells of the acquired immunity, both are important because the two need each other for adaptive immunity to work.
Explanation:
Examples of the humoral factor: pro and anti inflammatory cytokines, interleukins, complement chain, antibodies, TNF alpha, beta, etc.
Examples of cellular factor: plasmacyst, b lymphocyte, t lymphocyte, NT lymphocyte
Rainforests around the world are being cleared at an alarming rate to make room for new communities, agriculture, mining, and roads, and to provide lumber for construction and furniture. How might the destruction of rainforests affect the balance of gases in Earth's atmosphere?
by increasing carbon dioxide and decreasing oxygen
by increasing carbon dioxide and increasing oxygen
by decreasing carbon dioxide and increasing oxygen
by decreasing carbon dioxide and decreasing oxygen
Answer:
(1) by increasing carbon dioxide and decreases oxygen
The destruction of the rainforests will affect the balance of gases in Earth's atmosphere by increasing carbon dioxide and decreasing oxygen.
Rainforests, like the Amazon, are the world's greatest concentration of living trees. Through the process of photosynthesis, these trees contribute to the composition of the atmosphere that we enjoy every day and depend on to survive.
All trees perform photosynthesis, the fuel for this is carbon dioxide. This process then releases oxygen into the atmosphere as a by-product. For this reason, the destruction of the rainforests will affect the balance of gases in Earth's atmosphere by increasing carbon dioxide and decreasing oxygen.
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help asap true or false Uranus orbits the Sun at less than 40% of the speed of Venus.
Answer:
True
Explanation:
The attached image shows a table that displays the eight (8) planets, their respective average distance from the sun and their respective orbital speeds.
The question only relates the orbital speed of planets Uranus and Venus, which is 7km/s and 35km/s respectively.
40% of the orbital speed of planet Venus is:
= 40/100 × 35
= 0.4 × 35
= 14
According to the table in the image, Uranus orbits around the sun at a speed of 7km/s, which is lesser than 40% of Venus's orbital speed (14km/s).
Therefore, it is TRUE that Uranus orbits the sun at less than 40% of the orbital speed of Venus.
Answer:
True
Explanation:
I tested it on IXL
Prokaryotes, like most living organisms, need movement to locate food and to survive.
Answer:
Explanation:
Prokaryotes, like most living organisms, need movement to locate food and to survive. If a prokaryote needed to move to a new food source, which structure would it use for locomotion?
Which is correctly paired?
a. Ascaris - Monoecious
b. Loligo - Conotoxin
c. Ophiuroidea - Autotomy
d. Tridacna Gigas - Gastropod
e. Limulus - Book Lungs
Answer:
The correct option is E: Limulus - Book Lungs
Explanation:
The structure of a book lung is made so as to maximize the efficiency of gaseous exchange in arachnids. An externally located structure, book gills, aids in this process. Limulus are horseshoe crabs that still makes use of book gills. Its a marine creature (an arthopod, to be specific) that has 5 pairs of book gills on its body.
the material is easiest to recycle
Answer:
Aluminum cans are one of the most recyclable materials, as they are 100% recyclable and can be reprocessed over and over again2. Turning recycled aluminum cans into new cans uses 95% less energy than making new ones.
Answer:
Aluminum cans are one of the most recyclable materials, as they are 100% recyclable and can be reprocessed over and over again
Explanation:
compare the potiential energy stored in lipids proteins and carbohydrates
Answer:
The amount of lipids stored as an energy reserve far exceeds the energy stored as glycogen since the human body is simply not capable of storing as much glycogen compared to lipids. Lipids yield 9 kcal of energy per gram while carbohydrates and proteins yield only 4 kcal of energy per gram.
Predict what will happen as more time passes? (To Earth)
Somatic cells in elephants have 56 chromosomes. How many chromosomes would be carried by the gametes produced by elephants
Answer:
As somatic cells are diploid (2n) 2n=56
gametes receive only haploid set so, n=28
The number of chromosomes carried by the gametes produced by elephants would be : 28
Given that The elephants posses 56 chromosomes in its somatic cells and somatic cells are known as diploid cells ( i.e. 2n ) while the gametes will only carry a haploid set of chromosome ( i.e. n ).
Determining the number of chromosomes contained in the gametes
since ; 2n ( chromosomes of a somatic cell ) = 56
∴ n ( chromosomes contained in a gamete ) = 56 / 2 = 28
Hence we can conclude that The number of chromosomes carried by the gametes produced by elephants would be : 28.
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what kingdom does fish belongs to?
Answer:
animalia
Explanation:
Is Natural law theory is inconsistent with a theory of human rights. True / False
Answer:
i think that it's false.
Explanation:
Natural law is a theory in ethics and philosophy that says that human beings possess intrinsic values that govern our reasoning and behaviour. Natural law maintains that these rules of right and wrong are inherent in people and are not created by society or court judges.
The Interests Theory Approach. Advocates of the interests theory approach argue that the principal function of human rights is to protect and promote certain essential human interests. Securing human beings' essential interests is the principal ground upon which human rights may be morally justified.
The Sargasso Sea, which Bermuda is in the middle of, is a huge nursery for over ______ species of ocean life, meaning they ONLY live here. 1)200 2)150 3)100 4)125
Answer:
1)200
Explanation:
The Sargasso Sea is constantly considered a lifeless environment, due to its high salinity and temperature, which are considered inhospitable for most species. However, the Sargasso Sea is rich in local species, accounting for more than 200 of them, composed of algae, crustaceans, fish, microorganisms, among others.
Part D
Cervical pregnancies are extremely rare. Women undergoing cervical pregnancies often experience unusual vaginal bleeding. In extreme cases, they may require a hysterectomy (removal of the uterus). Why do you think the symptoms and risk occurs with this type of ectopic pregnancy?
Answer
The places where the fertilized egg got implanted are not appropriate
for the fetus´ development. These places lack space and needed tissues.
Explanation:
Ectopic pregnancies occur most often in the Fallopian tubes, which are the structures that transport the eggs from the ovaries to the uterus. But some other times, ectopic pregnancies might also occur in ovaries, abdominal cavity, or in the cervix.
These pregnancies are not viable, this means that the fertilized egg can not survive. However, the firsts stages of its development seem to be normal and involve an increase in tissues surrounding the egg.
As the places where the egg got implanted are not prepared for its development, they might be harmed. These areas do not have enough space, nor nutritional tissues needed by the embryo. And as the fetus grows, it creates a constant pressure in the organ, that can make it burst. This provokes important bleeding that might cause the patient´s death if they are not properly assisted.
At first, the woman might feel the normal symptoms of pregnancy, like the lack of the period during the firsts months or breast sensitivity. But as the egg grows in the inappropriate place, there appear some new signs and symptoms, such as a light bleeding or pelvic pain. If the organ bursts, the bleeding might be so intense that the woman might be in danger.
Answer:
Bleeding would occur because the baby is growing near the vaginal canal, which leads to the outside of the body. The cervix is the bottom portion of the uterus, so if the uterus is damaged, the entire uterus may need to be removed.
Explanation:
answer from Plato
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When a volcano erupts, particles of rock and ash are released into the atmosphere. After this, water droplets form around the rock and ash particles and fall to Earth as rain. The rainwater helps plants grow. In this scenario, which spheres of Earth interact? biosphere, cryosphere, hemisphere cryosphere, geosphere, biosphere geosphere, hydrosphere, biosphere hydrosphere, cryosphere, geosphere
Answer:
The third option
Explanation:
geosphere- the volcano
Hydrosphere- the rain
Biosphere- the plants
The spheres of the Earth that interacts in this scenario are geosphere, hydrosphere and biosphere.
What are the spheres of the Earth?The Earth is categorized into spheres as follows:
BiosphereGeosphereHydrosphereLithosphereAtmosphereThe biosphere is the part of the Earth and its atmosphere capable of supporting life.The atmosphere are the gases surrounding the EarthHydrosphere is all the liquid waters of the EarthGeosphere is the solid body of the EarthAccording to this question, a volcano erupts, and particles of rock and ash were released into the atmosphere. After this, water droplets form around the rock and ash particles and fall to Earth as rain. The rainwater helps plants grow.
This suggests that spheres of the Earth that interacts in this scenario are geosphere (rock), hydrosphere (water) and biosphere (plants).
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I'm confused on labelling the stages of mitosis in these onion cells. I know what these stages look like illustrated in the textbook, but am confused when looking at actual slides of cells. Can anyone help? Photo is attached.
Answer:
Hello. I numbered your cells to make it easier to name them. The image with the numbers is attached.
cell 1: Interphase.
Cell 2: Telophase.
Cell 3: Metaphase.
Cell 4: Prophase
Cell 5: Interphase.
Cell 6: Anaphase.
Explanation:
In the interphase, it is possible to notice that the cell increased its volume, due to the increase in the size of the organelles and the increase in the number of the organelles, which indicates the beginning of the cell cycle.
Prophase is really the beginning of the cell cycle. At that moment, you can see that the nuclear membrane has been disorganized and we can see a 'tangle' of the cell interior that is very full and disorganized. This is mainly because the material present in the nucleol spreads through the cell.
In the metaphase, the chromosomes are condensed and start to connect to each other forming the spindle fibers, which are located right in the middle of the cell, forming the equatorial plate.
In anaphase there is a rupture of the centromeres and sister chromatids. Each part of these elements migrates to one of the poles of the cell. This is mainly due to the shortening of the spindle fibers.
Telophase is the final phase of the cell cycle, at that moment, the spindle fibers disappear, the chromosomes are condensed and the nuclear membrane is reconstructed. However, the cell has not yet separated and it is possible to see two nuclei in a single cell, each nucleus is at a pole, indicating that the division will occur.