What is short loop feedback and what is the role of an intermediate molecule in the pathway?

Answers

Answer 1

Short loop feedback is a regulatory mechanism that uses an intermediate molecule to signal the state of a pathway and inhibits an earlier step in the pathway when the end product concentration is high.

Short loop feedback is a regulatory mechanism in which the end product of a pathway acts as an inhibitor of an earlier step in the same pathway, thereby regulating the rate of the pathway.

The role of an intermediate molecule in the pathway is to act as a signal to indicate the state of the pathway to the regulatory mechanism.

When the concentration of the end product increases, it binds to the intermediate molecule, causing a conformational change that inhibits the earlier step in the pathway. This results in a decrease in the rate of the pathway, preventing overproduction of the end product.

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Related Questions

Match the events related to the information of the universe with the stages during which they occurred.

Answers

Events related to the formation of the universe are linked to the states during which they occurred in the image below.

What are the states through which the universe passes?

First, the expansion from an infinite hot spot is mentioned, better known as the planck era, it is where the fundamental forces of the universe would be unified and there is still no existence of particles.

Then it follows when the hydrogen fuses with the helium, this era is better called as the era of nucleosynthesis, in this era the atomic nuclei begin to be created thanks to this fusion, in order to generate the rest of the elements.

Finally, the first neutral atom is created, which with this event begins the era of atoms. In this era the electrons that will be free will begin to unite with the nuclei formed.

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Match the events related to the information of the universe with the stages during which they occurred.

How important is DNA to Law enforcement? Should arrested (not convicted Individuals) be forced to provide DNA samples to the police?

Answers

DNA is incredibly important to law enforcement for several reasons. It serves as a valuable forensic tool that can be used to identify individuals, establish connections between suspects and crime scenes, and provide crucial evidence in criminal investigations.

DNA analysis has revolutionized the field of forensic science and has helped solve numerous cases, including cold cases and wrongful convictions.

However, the question of whether arrested individuals (not convicted) should be forced to provide DNA samples to the police is a complex ethical and legal issue. Different jurisdictions have different laws and regulations regarding the collection and retention of DNA samples from arrested individuals.

Supporters of DNA collection from arrestees argue that it can aid in solving crimes and preventing future offenses by identifying potential repeat offenders or linking them to unsolved cases. They contend that DNA collection at the time of arrest is analogous to other routine identification procedures like fingerprinting and photographing, which are commonly accepted and practiced.

On the other hand, opponents argue that requiring DNA samples from arrested individuals infringes upon their privacy rights and presumption of innocence. They express concerns about potential abuse, such as the misuse of DNA samples or the expansion of databases beyond the scope of serious crimes. Additionally, there are concerns about the disproportionate impact on marginalized communities and the potential for racial or ethnic profiling.

The approach to DNA collection from arrested individuals varies across jurisdictions, reflecting differing legal and constitutional considerations. Some countries or states allow DNA collection upon arrest for certain serious offenses, while others restrict it to convicted individuals or limit it to specific circumstances.

Ultimately, the decision regarding DNA collection from arrested individuals involves balancing the need for effective law enforcement with protecting individual rights and privacy. It requires careful consideration of the legal framework, scientific advancements, societal values, and potential risks associated with the use and retention of DNA samples.

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what kind of trait of an organism that can be masked by the dominant form of a trait?

Answers

Answer:

aenamia

Explanation:

its the most common

a culture of e. coli is growing on glucose salts agar (gsa), a chemically defined medium that contains glucose as its sole carbon source. e. coli utilizes the glucose for both its energy and carbon needs. during metabolism, it uses precursor metabolites of its central metabolic pathways and atp to build up the biological macromolecules needed to make cell components. these biosynthetic reactions are best described as .

Answers

On glucose salts agar (GSA), a chemically defined medium with glucose as its sole carbon source, an E. coli culture is developing. The glucose is used by E. coli for both its carbon and energy requirements.

What would happen if E. coli cells that are developing in a medium with glucose were switched to a medium with lactose?

The milk sugar lactose (glucose-4—d-galactoses) is not utilised by Escherichia coli growing in nutrient medium containing glucose; but, if the bacteria are placed in a growth medium containing lactose, they will.

Consider the growth of E. coli in the presence of glucose and lactose as carbon sources.

When the supply of glucose runs out, coli switches to lactose or other carbohydrates and grows more slowly. Glucose prevents the utilisation.

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which three elements are common to the reactants and the products of both photosynthesis and cellular respiration?

Answers

Hydrogen, oxygen, and carbon.

What are the components of photosynthesis and cellular respiration and what are their byproducts?

In cellular respiration, the products and reactants for photosynthesis are switched around: Carbon dioxide and water, which are byproducts of cellular respiration, are the reactants in photosynthesis. Oxygen and sugar, byproducts of photosynthesis, are the reactants of cellular respiration.

What are the similarities between photosynthesis and cellular respiration?

The majority of life on Earth depends on two biological processes: photosynthesis and cellular respiration. Both of these processes utilize a number of similar chemicals, including oxygen (O2), carbon dioxide (CO2), water (H2O), glucose (C6H12O6), and adenosine triphosphate, as well as other complex steps (ATP).

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c) Suggest what can be done to address any discrepancy. Start explaining the most practical solution first and then the least favorable solution(s). Write in the provided box, please. [10 marks]

Answers

Answer:

Explanation:

yes cux it is good

and i needpoints

May you please be able to help me on this

May you please be able to help me on this

Answers

1. The male superhero cannot teleport. So, the probable genotype is Xt Y

While the female superhero can teleport, but her mother could not. The probable genotype would be XTXt.

In order to get these genotypes for teleporting abilities, we first assign thegenotypes of the parents, which are:

Father- XT Y

Mother (do not have teleporting abilities)- XtXt

the only phylum that shows active flight in invertebrates is
coelenterata
arthropoda
mollusca
echinodermata​

Answers

Answer:

It would be arthropoda

Explanation:

Insects and arthropods are the only invertebrates able to fly since insects are not a part of your list arthropoda would be the answer. I hope this helps and if you can give me brainliest? :)

which statement correctly describes the origin of lymph fluid?

Answers

Answer:

Lymph is excess tissue fluid formed from plasma that has leaked from capillaries

Explanation:

12. The fine adjustment of the light microscope is used to​

Answers

Answer

Fine adjustment is used to fine focus the image when viewing at the higher magnifications.

the zona fasciculata of the adrenal cortex secretes which hormones? select an answer and submit. for keyboard navigation, use the up/down arrow keys to select an answer. a mineralocorticoids b androgens c glucocorticoids d norepinephrine

Answers

The zona fasciculata of the adrenal cortex primarily secretes glucocorticoids, such as cortisol. These hormones are involved in the regulation of metabolism, immune system function, and stress response. While the adrenal cortex also secretes mineralocorticoids, such as aldosterone, these hormones are primarily produced in the zona glomerulosa.

Androgens, such as testosterone, are primarily produced in the zona reticularis. Norepinephrine is not produced by the adrenal cortex, but rather by the adrenal medulla. Overall, the different zones of the adrenal cortex produce a variety of hormones that are essential for normal physiological function.
The zona fasciculata, a layer of the adrenal cortex, primarily secretes glucocorticoids (answer option C). Glucocorticoids are a class of hormones that play a crucial role in regulating the body's stress response, metabolism, and immune system. The most prominent glucocorticoid is cortisol, which helps maintain blood sugar levels, regulate inflammation, and manage stress. While the adrenal cortex also produces mineralocorticoids and androgens, these hormones are mainly secreted by other layers (zona glomerulosa and zona reticularis, respectively). Norepinephrine, on the other hand, is primarily produced by the adrenal medulla, which is the inner part of the adrenal gland.

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What other system of measurements is still used by a few countries?

Answers

Explanation:

555555dddfffccccvvbkf

What other system of measurements is still used by a few countries?

PLS HELP ANSWER THIS

PLS HELP ANSWER THIS

Answers

Answer:

Your current answer is correct

Answer:

I think it is logistic graph.

Explanation:

How ever im not sure.

For example now because of corona virus alot of people died.

So the slope will decrease.

Hope my answer is correct.

How many times can each bit of blood be pumped around the body each day? ​

Answers

Answer:

five litres (eight pints)

What 2 ways can an athlete prevent exposure to a bloodborne pathogen?

Answers

2 ways that can an athlete prevent exposure to a bloodborne pathogen are hygiene and other protective equipment's.

When handling equipment or other objects that might be contaminated with blood, the athlete should practice good hygiene by washing their hands with soap and water both before and after the activity. They ought to refrain from lending other athletes their personal items, such as towels or water bottles.

To protect themselves from contact with blood or other bodily fluids, athletes should wear protective gear like gloves, gowns, and masks when necessary. Because there is a higher risk of injury and exposure to blood in contact sports, this is especially crucial. In order to stop the infection from spreading, it is also crucial to properly dispose of any contaminated tools or materials.

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the number of kilocalories from fat in a sandwich that contains 22 g fat is _____ kcal.

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The number of kilocalories from fat in a sandwich that contains 22 g fat is 198 kcal. This is because there are 9 kilocalories in one gram of fat, so 22 g x 9 kcal/g = 198 kcal.

You can get a variety of nutrients from your diet, including fats. Although it is harmful to consume an excessive amount of fat, some fats are necessary. The fats you eat give your body energy that it needs to appropriately work. Your body burns calories from the carbohydrates you eat when you exercise.

There are saturated, monounsaturated, and polyunsaturated fats present in food. It can be bad for you to eat too much fat or the wrong kind of fat. Butter, oil, nuts, meat, fish, and some dairy products are all examples of foods that contain fats.

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How many neurons do toddlers have at age 2 compared to the number they had at birth?
a. Twice as many
b. The same number
c. Half as many
d. Four times as many

Answers

The correct answer is b. The same number.

Toddlers have approximately the same number of neurons at age 2 as they had at birth. During early development, the number of neurons in the brain increases rapidly, reaching its peak around the time of birth.

After birth, there is a process called synaptic pruning, where unused or unnecessary connections between neurons are eliminated. This pruning process helps to refine and strengthen the connections that are frequently used. However, the overall number of neurons remains relatively stable during early childhood.

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based on their diets in the wild, determine whether the species listed are carnivores, omnivores, or herbivores. enter the total number of each type into the following boxes.

Answers

When discussing animal diets, there are three primary categories to keep in mind: Any animal that only consumes plants is a herbivore. A species that consumes both meat and plants is an omnivore.

What aspects of an animal's diet matter?

The nutritional requirements of animals differ not just between species but also between individuals. An animal's nutritional requirements are influenced by its life stage, age, level of physical activity, sex, size, bodily condition, reproductive status, and overall health.

Which three animal diets are there?

The three primary types of animals are herbivores, omnivores, and carnivores. Herbivores are animals that only eat vegetation. Carnivores are animals that eat only meat.

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PLEASE HELP! GIVING BRAINLIEST!

PLEASE HELP! GIVING BRAINLIEST!

Answers

Answer:

Thermal energy is the energy that is contained and a part of heat.

Conduction is when heat or electricity moves through a solid object.  

Radiation is energy that comes from a source and travels through space at the speed of light.

Convection is the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity this causes a heat transfer.

When reproduction involves two parents, which two statements describe the offspring? A. Offspring differ genetically from both parents. B. Offspring are genetically identical to one parent. C. Offspring are genetically identical to one another. D. Offspring differ genetically from one another. SUBMIT​

When reproduction involves two parents, which two statements describe the offspring? A. Offspring differ

Answers

Answer:

the answer is d

Explanation:

Answer: A. Offspring differ genetically from both parents and D. Offspring differ genetically from one another.

Explanation:

Sexual reproduction results in offspring with genetic variation. Variations of inherited traits between parent and offspring arise from genetic differences that result from the subset of chromosomes (and therefore genes) inherited.

I also took the test and got these right.

pls help this is due in monday this is a lot.....​

pls help this is due in monday this is a lot.....

Answers

Answer:

0 to around 35 shows that as the temperature increases the rate of enzyme activity also increases until a peak enzyme activity that occurs after 40 degrees this is enzymes optimum temperature. after this temperature enzyme activity decreases as the enzyme becomes denatured.

Summarize how the nervous system interacts with at least 3 other systems in the body.

Summarize how the nervous system interacts with at least 3 other systems in the body.

Answers

The nervous system interacts with other systems of the body as follows:

digestive system - the nervous system initiates the sensation of hunger in the body by coordinating the contraction of the smooth musclesmusculoskeletal system - the nervous system controls the contraction and relaxation of the smooth musclesrespiratory system - the nervous system controls the respiratory system by increasing or decreasing the respiratory depending on the concentration of oxygen or carbon dioxide in the body.

What is the nervous system?

The nervous system is the system that controls the activities of all other systems of the body.

The nervous system consists of two parts;

the central nervous system - made up of the brain and the spinal cordthe peripheral nervous system - consists of the sensory neuron and motor neurons as well the smooth muscles and the skeletal muscles.

Impulse from outside or within the body is first sent to the central nervous system which interprets and sends out messages to the other body system to respond.

The central nervous system integrates ad coordinates the activities of the other body systems such as the respiratory system, the digestive system, the musculoskeletal system, the excretory system, etc.

Signals are sent to these systems from the central nervous system resulting in the action of these systems, for example, rapid breathing, bowel movement, etc.

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a trait has two alleles and and their frequencies are represented by p and q. if p=.37 what is q ?

Answers

Following Hardy-Weinberg equilibrium equations, and considering a diallelic gene, if p = 0.37, then q = 0.63. The frequency of the recessive allele -q- is 0.63.

To answer this question, we will assume Hardy-Weinberg equilibrium.

What is Hardy-Weinberg Equilibrium?

The Hardy-Weinberg equilibrium is a theory that states that a population in equilibrium will express the same allelic and genotypic frequencies through several generations.

Assuming a diallelic gene,

Allelic frequencies in a locus (represented as p and q),

• The frequency of the dominant allele p(X) is p

• The frequency of the recessive allele p(x) is q

The addition of the allelic frequencies equals 1

p + q = 1.

Genotypic frequencies after one generation are

• p² (Homozygous dominant genotypic frequency),

• 2pq (Heterozygous genotypic frequency),

• q² (Homozygous recessive genotypic frequency).

The sum of genotypic frequencies equals 1

p² + 2pq + q² = 1

Allelic and genotypic frequencies remain the same through generations in a population that is in H-W equilibrium.

In the exposed example, we have a diallelic gene. We already know the frequency of the dominant allele (p = 0.37) and now we need to know the frequency of the recessive allele (q = ?). All we need to do is to clear the following equation,

p + q = 1

0.37 + q = 1

q = 1 - 0.37

q = 0.63

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What would NOT be considered routine practice during or after conducting uncomplicated aseptic surgical procedures in nonhuman primates

Answers

We can confirm that actions that would not be considered routine after said procedure include all of which are not directed towards the care and recovery of the animal.

What would help the care and recovery of the animal?

Routine practices include caring for the animal as it recovers from the effects of the anesthesia as well as administering fluids to keep it hydrated. Even pain control through the use of pharmaceuticals is considered normal practice, anything that would fall outside of these actions may be considered abnormal practice.

Therefore, we can confirm that actions that would not be considered routine after said procedure include all of which are not directed towards the care and recovery of the animal.

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what happens during meiosis I and meiosis II?

what happens during meiosis I and meiosis II?

Answers

Answer: In meiosis I, homologous chromosomes partitioned, whereas in meiosis II, sister chromatids isolated. Meiosis II produces 4 haploid girl cells, though Meiosis I produces 2 diploid girl cells. Hereditary recombination (crossing over) as it were happens in meiosis I.

Explanation:

I dont know its onlyy

Which molecule is produced during photosynthesis?

carbohydrates in the form of glucose
nucleic acids in the form of DNA
proteins in the form of cellulose
lipids in the form of steroids

Answers

Glucose hope this helps

Answer:

carbohydrates in the form of glucose

Explanation:

Plants make sugar which is glucose.  Glucose is a simple carbohydrate.  Good luck.

This organelle uses light energy to make sugar from carbon dioxide and water are

Answers

Answer: Chloroplast

Explanation:

Plants and some algae have chloroplasts responsible for photosynthesis. Plants undergo photosynthesis to transform light energy into chemical energy. This energy is stored in the form of sugar to support their growth and provide energy. Chloroplasts have a double membrane, with the thylakoid membrane located within the inner membrane.

Photosynthesis occurs within the thylakoid membrane, which is folded into sacs called thylakoids. Chlorophyll, a green pigment, is present in the thylakoids and it absorbs light energy to split water molecules into hydrogen and oxygen. The oxygen is released into the atmosphere while the hydrogen is used to create ATP, a molecule that stores energy. ATP and hydrogen are then utilized to make sugar, the final product of photosynthesis.

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Answer:
Chloroplast

Explanation:
Chloroplast is a green pigmented organelle which some eukaryotes (such as plants and algae) have in their cells and it is in charge of photosynthesis.

When DNA is being transcribed into mRNA, The C and G go together. The A in DNA would pair up with what in RNA?

X

G

T

U

Answers

The A would pair up with the U

Could someone please help me with question 21

Could someone please help me with question 21

Answers

Answer:

22

Explanation:

the egg of a rabbit contains 22 chromosomes, a somatic cell of a rabbit would contain twice as many chromosomes, for a total of 44

In what way are lungs well ventilated?

Answers

Lungs ventilation is an automatic, apparently handy inspiratory growth and expiratory contraction of the chest cage.

Air flows due to pressure variations between the atmosphere and the gases in the lungs. Air, like different gases, flows from a region with higher stress to a region with decrease stress. Muscular respiration moves and cringe of elastic tissues create the changes in strain that result in ventilation.

Lung air flow is an important a part of breathing, accountable for the fuel trade between alveoli and the atmospheric air. It entails often replacing stale gases within the lungs with fresh gases from the environment.

Deep respiratory exercises may also help increase lung capacity. for instance, the British Lung foundation say that deep respiration can help clean mucus from the lungs after pneumonia, allowing extra air to flow into.  This act of ordinary breathing has a rather consistent charge and inspiratory extent that collectively represent normal respiratory rhythm.

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Lungs are ventilated through Pulmonary Ventilation.

Pulmonary ventilation is the process through which air flows into the lungs i.e. Inhalation and air flows out of the lungs i.e. Exhalation.

These processes depend upon the volume change in the cavity of chest.

Inhalation: Process of taking air into lungs. It occurs due to the contraction of muscles in which Diaphragm contracts leading to increase in volume of thoracic cavity.

Exhalation: Process of letting air out from lungs. It occurs due to the relaxation of muscles in which Diaphragm relaxes leading to decrease in volume of thoracic cavity.

Proper ventilation helps to keep the air fresh maintaining a flow of fresh air inside and dirty air outside. Air travels through mouth and goes down into the trachea or windpipe through the pharynx.

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