some metabolic pathways are regulated in part by changes in the rate of degradation of key enzymes. this is an example of

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Answer 1
***** Post-translational regulation***** refers to the control of protein function and activity after the protein has been synthesized. In the context of metabolic pathways, certain enzymes play crucial roles in catalyzing the reactions involved in those pathways.

In some cases, the regulation of metabolic pathways occurs through changes in the rate of degradation of key enzymes. This means that the concentration and activity of these enzymes can be influenced by their rates of breakdown or degradation within the cell.

When the rate of degradation of a key enzyme is increased, the concentration of that enzyme decreases, resulting in reduced enzymatic activity. Conversely, if the rate of degradation is decreased, the enzyme concentration increases, leading to enhanced activity.

By modulating the degradation rate of key enzymes, cells can fine-tune the activity of metabolic pathways in response to various signals and conditions. This allows for dynamic regulation and control of metabolic processes to meet the changing demands of the cell.

Post-translational regulation of metabolic pathways through enzyme degradation provides a mechanism for rapid and reversible adjustments in metabolic activity. It allows cells to respond to external cues, such as changes in nutrient availability or energy demands, by modulating the levels of key enzymes involved in specific pathways.

Related Questions

Certain cancers, severe injuries, and stress can greatly affect protein metabolism in muscle and other tissues of the body. One of the main ways they do this is by:

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Certain cancers, severe injuries, and stress can have a significant impact on protein metabolism in the muscle and other tissues of the body.

One of the primary methods by which they achieve this is by altering the production of protein, which is a vital component of muscle mass. The creation of protein in the human body is a highly complicated process that involves a variety of factors.

For example, proteins are made up of a variety of amino acids that are linked together in a specific pattern. The human body must generate the required amount of amino acids to produce the necessary protein. Protein metabolism is heavily influenced by a variety of elements, including stress.

The presence of elevated levels of stress hormones, such as cortisol, in the body can lead to muscle loss and an overall decrease in protein metabolism. In addition to stress, cancers and severe injuries can also negatively impact protein metabolism.

Cancer cells require a large amount of energy to survive and multiply, which can lead to a decrease in protein synthesis. Severe injuries, on the other hand, can result in a decreased ability to generate amino acids, which can limit the body's ability to create protein.

Certain cancers, severe injuries, and stress can all have a significant impact on protein metabolism in the body. The best way to mitigate these effects is to maintain a balanced diet that includes plenty of protein-rich foods. Additionally, regular exercise can help to promote muscle mass and increase protein metabolism, making it a critical component of any healthy lifestyle.

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Which of the following statements is/are TRUE?
you should image correcting mistakes
you should image recovering from an injury
you should image learning new skills
all of the above
none of the above

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The correct option is (d) all of the above. All of the following statements are true:You should image correcting mistakes.You should image recovering from an injury.You should image learning new skills.

Imagery is a cognitive technique that helps athletes prepare for performance by making use of all the senses to generate or re-create an experience in the athlete's mind. Imagery is sometimes referred to as "visualization" or "mental rehearsal" because it is used to help athletes mentally rehearse an action before performing it physically.Imagery helps athletes mentally practice technical abilities, which is particularly beneficial when they are unable to physically practice. It is not limited to sports. It can be used in all parts of life, including the academic and business realms.

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good hygiene and frequent hand washing are important ways to prevent which of the following bacteria on the skin from entering the body and causing disease? group of answer choices streptococcus staphylococcus escherichia coli spirochete

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Staphylococcus It's crucial to practise good hygiene and routine hand washing to stop the spread of Staphylococcus and other bacteria and viruses.

What role does hand cleanliness play in stopping the transmission of infection?

Unwashed hands can spread germs to other surfaces, such as handrails and table tops, and then to other people's hands. Hence, eliminating germs by handwashing aids in the prevention of diarrhoea, respiratory infections, and possibly even skin and eye infections.

What three illnesses or ailments are spreadable through inadequate hand hygiene?

Inadequate hand washing practises are a major contributor to the spread of infections, along with coughing and sneezing. The common cold, influenza, chicken pox, and meningitis are frequent respiratory infections brought on by inadequate hand hygiene.

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why is turgor pressure important to plants.​

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Turgor pressure is the ideal condition in plant cells through which the energy content of water molecules (water potential) can be adjusted quickly, within seconds. Without this turgid structure, plant could wilt

In PCR, a DNA polymerase is used in vitro to replicate a specific stretch of DNA within a DNA sample. However, none of the other proteins involved in DNA replication in vivo are needed. List the other proteins that are required for DNA replication in a living cell, and for each, explain why it does not need to be included in a PCR reaction.

Answers

Answer:

See the answer below

Explanation:

Apart from DNA polymerase, other enzymes (proteins) that are required for DNA replication in a living cell include:

HelicasePrimaseLigase; andGyrase

The helicase enzyme functions to unwind the double helix structure of the DNA during replication. This enzyme is not needed in the PCR because only a  specific stretch of a single strand DNA is needed.

The primase enzyme functions to synthesize RNA primers during DNA replication. The required primer is added directly during PCR and this makes the use of the primase enzyme unnecessary.

The ligase enzyme functions to join the Okazaki fragments of the discontinuously replicated lagging strand of the DNA during replication. There is no leading nor lagging strand in PCR and replication of the target section of the DNA is done continuously. Hence, there is no need for the ligase enzyme.

The gyrase enzyme assists in the supercoiling of DNA strands that have been initially unwound during replication. Since only a stretch of DNA is utilized for PCR, no supercoiling is needed and, hence, no need for the gyrase enzyme.

Vitamin ____ is necessary for vision, bone growth and maintenance of epithelial cells.

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Vitamin A is necessary for vision, bone growth, and maintenance of epithelial cells.

We can define vitamins as micronutrients that perform various important functions in the body. Vitamins cannot be synthesized by the body of a person and hence are derived from the diet of a person.

Vitamin A is present in many foods and it is a fat-soluble vitamin. Vitamin A helps the body in various functions such as improving vision, helping the immune system, growth of bones, maintenance of cells etc.

Certain foods contain carotenoids in them. A person's body has the ability to convert these carotenoids into Vitamin A which is then used by the body for various functions. Some preformed sources of Vitamin A include dairy products and eggs.

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Water passes through plants into the atmosphere by a process called :

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Explanation:

I want to the answer please so the positions into the atmosphere by what process by the process of I don't know my thoughts is that visitation

Answer: Transpiration

Explanation:

This happens when a plant takes up liquid water from the soil and releases stuff called water vapors into the air.

What is the name for different forms of a gene?
Earlobes can be either attached or detached. The allele for attached earlobes is recessive (e), and the allele for detached earlobes is dominant (E). What must be true if a boy is born with detached earlobes?

Answers

Alleles are different variations of a Gene.

What names do the various gene types go by?

A gene's variations are referred to as alleles, which are pronounced "AL-eels." Your chromosomes contain two versions of a gene that affect how your cells function. A gene pair's two alleles are passed, one from each parent.

Why are distinct variations of the same DNA referred to as alleles?

More precisely, each gene is present in two copies, one from each parent, at a specific locus (location on a chromosome). However, the duplicates are not always the same. Gene copies that vary from one another are referred to as alleles.

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A student conducted an experiment with two rose plants to determine if a liquid formula for fertilizer produced greater growth than a dry formula. After testing each fertilizer on two different plants for one month, his data led to the conclusion that the liquid formula was a better promoter of plant growth. When he described his conclusion to his teacher, she told him he needed to conduct additional trials. The teacher most likely asked for additional trials because

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Answer:

This question lacks options, the options are:

A) she did not believe the new formula helped plants grow better than the old formula.

B) it was necessary to see data from more plants before the conclusion could be accepted.

C) it was necessary to have tested the fertilizer on different kinds of plants.

D) she thought he should test additional fertilizer formulas on the same two plants.

The answer is B.

Explanation:

In an experiment, a TRIAL or RUN is refers to repetition of the experiment using the same procedure. A trial is done in order to ensure that the results of the experiment is not based on CHANCE but CERTAIN. It is important that before an experiment be accepted as valid, it must be able to be replicated severally.

In this case, a student conducted an experiment with two rose plants to determine if a liquid formula for fertilizer produced greater growth than a dry formula. However, after arriving at a conclusion based on his experimental results, his teacher told him he needed to conduct additional trials. This is because, according to the importance of trials above, IT WAS NECESSARY TO SEE DATA FROM PLANTS BEFORE THE CONCLUSION COULD BE ACCEPTED.

This, in essence, means the students need to repeat the test of the fertilizer formula on more rose plants.

- The part that is responsible for regulating involuntary processes in the body.
a) medulla oblongata
b) cerebellum
c) spinal cold
d) cerebral hemispheres​

Answers

Answer:

I am just in jss 2 but I think the ans is d

Answer:

Your medulla oblongata is located at the base of your brain, where the brain stem connects the brain to your spinal cord. It plays an essential role in passing messages between your spinal cord and brain. It's also essential for regulating your cardiovascular and respiratory systems.

I think its b ????. Sorry if it is wrong.

Explanation:

FILL IN THE BLANK. the ability of complementary single strands of dna or rna to come together to form double-stranded molecules is called_____ acid______

Answers

The ability of complementary single strands of DNA or RNA to come together to form double-stranded molecules is called nucleic acid hybridization.

This process involves the binding of two single-stranded nucleic acid molecules that have complementary base sequences through hydrogen bonding. Nucleic acid hybridization is a crucial technique in molecular biology, allowing researchers to study and manipulate DNA and RNA molecules.

It is widely used for various applications such as identifying genetic mutations, detecting pathogens, and studying gene expression. Additionally, nucleic acid hybridization can also be used to determine the relatedness between different organisms, as well as to study the evolution of genes and genomes.

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If a mutation causes you to get a new trait, by how natural selection works, that trait will disappear even if it will help you survive T or F

Answers

Answer:

False, natural selection would not cause the mutation to die out unless it harms reproductivity

Explanation:

Natural Selection works through many different aspects, here we see that a creature has developed a mutation. If the creature would be aided with this new found mutation it would not simply disappear. The creature would end up reproducing with similar creatures spreading this new mutation, and this is what natural selection is. Natural selection is when creatures with negitive mutations are unable to reproduce causing their gentic line to die out, while creatures with superior genetics continuously reproduce.

I hope this answer helps!

HELP ASAP
why is the crust of earth located above the mantle?

HELP ASAPwhy is the crust of earth located above the mantle?

Answers

Answer:

C.....the crust is less dense than the mantle

all you need is in the photo

ASAP​

all you need is in the photo ASAP

Answers

Answer:

translation; mRNA --> protein.

It includes three steps: initiation, elongation, and termination.

Explanation:

After the mRNA is processed, it carries the instructions to a ribosome in the cytoplasm. Translation occurs at the ribosome, which consists of rRNA and proteins

How does the structure of nerve cells at the back of the eye support the nervous tissue's function?

Answers

Answer: The structure of the nerve cells in the retina allows for the efficient capture, processing, and transmission of visual information to the brain, which is crucial for the nervous tissue's function of vision.

Explanation:

The structure of nerve cells at the back of the eye, specifically in the retina, plays a crucial role in supporting the nervous tissue's function. The retina is made up of several layers of cells, including photoreceptor cells (rods and cones), bipolar cells, and ganglion cells. These cells work together to convert the light that enters the eye into electrical signals that can be processed by the brain.

The photoreceptor cells, specifically the rods and cones, are responsible for capturing light and converting it into electrical signals. The rods are sensitive to low light and are responsible for night vision, while the cones are sensitive to bright light and are responsible for color vision.

The bipolar cells and ganglion cells act as intermediaries between the photoreceptor cells and the brain. Bipolar cells receive the electrical signals from the photoreceptor cells and transmit them to the ganglion cells. The ganglion cells then transmit the signals to the brain via the optic nerve.

The retina also contains specialized cells called horizontal cells and amacrine cells, which modulate the signals passing between the bipolar cells and photoreceptor cells and also help to sharpen the image by adjusting the sensitivity of the photoreceptor cells.

Which of the following is the most accurate definition of a gene?

Which of the following is the most accurate definition of a gene?

Answers

Answer:

A gene is a segment of a DNA molecule that directs the development of some inherited traits.

Explanation:

Read the following claim.

The energy animals need to survive was once energy from the sun.

What evidence from the article supports this claim? Think about energy pyramids, then explain how the evidence from the article supports this claim.

Answers

Answer: The energy from the sun is the only source of energy which has the ability to sustain life on earth.

The energy pyramid states that the transfer of energy is unidirectional and it flows from the producers to the consumers.

There are different trophic levels at which the organism are found say herbivores, carnivores and top predators.

All of the organism are dependent on the producers for their source of energy.

hence, the sunlight helps autotrophs to make food and herbivores feed on them and then the carnivores animals feed on herbivores and then the top predators feed on the carnivores animals.

So, ultimate source of energy on earth is sun, which directly or indirectly provides energy to the producers and other animals.

What is the complementary mRNA strand to the template DNA strand
ACATGCGGTTAAATG

Answers

Answer:

Its UGUACGCCAAUUUAC

Explanation:

Which of the following organisms is a heterotroph? a) Rose b) Pine tree c) Deep-sea tubeworm d) None of these

Answers

Since the given organisms prepare their own food, hence none of the organisms mentioned are heterotrophs. Thus, the correct answer is Option D.

Heterotrophs are organisms that depend on other species (plants and animals) for food since they are unable to prepare it for themselves. They are dependent on these producers for food, either directly or indirectly.  

The rose and the pine tree, two of the choices given, are both autotrophs since plants can make their own food through photosynthesis. On the other hand, the deep-sea tubeworm is a chemoautotroph, meaning it gets its energy from inorganic substances in its surroundings.

Therefore, the correct answer is Option D.

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If a man has a wife and child, then changes his gender, does that make the wife Lesbian? Because the man is now a woman and the wife is still married to him.


Giving 30 points.
Also, I do not believe this is actually biology.

Answers

No, a person's sexual orientation is not defined by the gender of their partner's assigned sex at birth. If a man transitions to become a woman, and their wife continues to be attracted to them and stay in the relationship, it would not make the wife a lesbian.

Sexual orientation refers to the gender(s) to which a person is primarily attracted, and is not dependent on the gender identity of their partner. If a woman is attracted to someone who was assigned male at birth but has since transitioned to female, she may identify as bisexual, pansexual, or queer, but not necessarily as a lesbian.

Similarly, if a man is attracted to someone who was assigned female at birth but has since transitioned to male, he may also identify as bisexual, pansexual, or queer, but not necessarily as gay.

It's important to remember that gender identity and sexual orientation are complex and multifaceted, and cannot be reduced to simple binary categories.

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topic: cell membrane
Makes up the bilayer (2 answers)​

Answers

Answer: a continuous double layer of lipid molecules in which membrane proteins are embedded. This lipid bilayer is fluid, with individual lipid molecules able to diffuse rapidly within their own monolayer. The membrane lipid molecules are amphipathic. The most numerous are the phospholipids.

Explanation:

Biological membranes consist of a continuous double layer of lipid molecules in which membrane proteins are embedded. This lipid bilayer is fluid, with individual lipid molecules able to diffuse rapidly within their own monolayer. The membrane lipid molecules are amphipathic. The most numerous are the phospholipids. When placed in water they assemble spontaneously into bilayers, which form sealed compartments that reseal if torn.There are three major classes of membrane lipid molecules—phospholipids, cholesterol, and glycolipids. The lipid compositions of the inner and outer monolayers are different, reflecting the different functions of the two faces of a cell membrane.

if you study the interactions between cheetahs and the thomson's gazelles they prey upon, you would primarily be doing ecology.

Answers

if you study the interactions between cheetahs and the thomson's gazelles they prey upon, you would primarily be doing ecology.

community

What is ecology?

A subfield of research called ecology includes the fields of human science, population, community, ecosystem, and biosphere. Ecology is the study of organisms, the environment, and the interactions between the organisms and their surroundings. Numerous levels, including organism, population, community, biosphere, and ecosystem are researched.

The main objective of an ecologist is to increase their understanding of the life processes, habitats, interactions, and biodiversity of species.

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Metabolic pathways in cells are typically far from equilibrium. Which of the following processes tend(s) to keep these pathways away from equilibrium?the continuous removal of the products of a pathway to be used in other reactionsan input of free energy from outside the pathwayan input of heat from the environmentThe first and second listed responses are correct.

Answers

The continuous removal of the products of a pathway to be used in other reactions and the input of free energy from outside the pathway

Metabolism is an ongoing process that occurs in all living organisms. To keep the organism operating and in equilibrium, the products of one route become reactants for another. Metabolism does not attain equilibrium because cells cannot operate in the absence of reactants and products. Metabolism imbalance will always be necessary to keep the reactions going. This is also due to the interdependence of the responses.

Because they are open systems, cells sustain disequilibrium. Because of the continual movement of resources into and out of the cell, metabolic pathways never attain equilibrium. A cell is an open system that constantly changes molecules and energy from its surroundings. If a cell is not in an open system, it cannot exchange nutrients or even other molecules with other cells and hence has no work. This can result in apoptosis and function failure. As a result, a cell is in an open system, and its metabolism is always out of balance.

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Rhizoids allow certain seedless plants to survive in areas with little or no..?​

Answers

Answer: Water, Rhizoids allow certain seedless plants to survive with little or no water.

Explanation:

(Multiple Choice Worth 3 points)
(04.01 MC)
Which statement correctly describes the transfer of energy between the blue arrows?
O There is no change in energy.
There is twice the gain of energy.
There is a loss of energy.
There is a gain in energy.

Answers

The blue arrows denote the direction of the energy transfer from the turbine to the electrical generator. Based on the given diagram, the energy transfer between the blue arrows is a gain in energy.

Energy transfer refers to the conveyance of energy from one form to another, such as mechanical energy into electrical energy. Therefore, there is an increase in energy between the turbine and the electrical generator, which is highlighted in the blue arrows' direction.

The generator gains energy in the form of kinetic energy from the turning motion of the turbine. When the turbine turns the shaft of the generator, it causes electromagnetic fields to occur within the generator, which, in turn, generates electricity.

This energy transfer process is efficient as long as the system does not face friction or other forms of resistances. If the system does face such resistances, then there is a loss of energy and inefficiency in the energy transfer process, which can significantly affect the system's overall performance.

In conclusion, the energy transfer between the blue arrows is a gain in energy. The generator gains energy in the form of kinetic energy, which is converted into electrical energy. The efficient energy transfer process is vital for the system's optimum performance and operation.

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Which structures are most important in determining evolutionary relationships between organisms-analogous, homologous or vestigial? Rank the
structures from most to least important with the most important at the top.
=Analogous
Homologous
Vestigial

Answers

The structures that are most important in determining evolutionary relationships between organisms-analogous, homologous or vestigial from most to least important with the most important at the top will be:

Homologous.VestigialAnalogous

How to illustrate the evolution?

Analogous traits lack the shared evolutionary history of homologous traits, which allowed them to arise. Because they show evidence of evolutionary relationships, homologous structures are more significant to evolutionary biologists than analogous structures.

The retention of genetically determined traits or structures that no longer serve their original purpose in a given species is known as vestigiality.

In conclusion, the ranking is illustrated above.

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What is TRUE about the relationship between cells and the organism that they are a part of?

What is TRUE about the relationship between cells and the organism that they are a part of?

Answers

It’s the last one ☝️

all fuels are sources of energy​

Answers

Answer:

they are usually considered to be a primary energy source.

Explanation:

somebody help. . can someone please tell me the types of layering in root establishment in plants?.​

Answers

Answer:

Layering can be used to multiply many of your favorite plants now growing around your yard and in your home. There are six common types of layering: air, simple, tip, trench, serpentine and mound. Air and simple layering are the most popular types

Explanation:

PLZ MARK AS BRAINLIEST

Answer:

The answer above me is correct

PLEASE HELP ME!!

Use two examples for plants to explain how the development of new technologies such as radioisotopes has
increased our knowledge of reactions in plants.

Answers

Two examples of radioisotopes that can be used are carbon-14 to determine the age of fossils. Second, we can use iodine-131 to treat thyroid disease.

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