all amhibiana have limbs true or false​

When enzyme action stops due to a buildup (negative feedback) of an end product that acts as a regulatory molecule, this control is called feedback inhibition or negative feedback inhibition.

In this process, the end product of a metabolic pathway acts as a regulatory molecule by binding to the enzyme's active site, allosteric site, or other regulatory site, thereby changing the enzyme's shape or reducing its activity. This feedback inhibition helps to regulate the rate of metabolic reactions and prevent the accumulation of excess end products that could be harmful to the cell or organism.

Feedback inhibition is a common regulatory mechanism in many biochemical pathways, including amino acid synthesis, nucleotide synthesis, and metabolic pathways involved in energy production, such as glycolysis and the Krebs cycle.

It allows cells to conserve energy by shutting down metabolic pathways when they are no longer needed or when the concentration of the end product reaches a certain level.

Additionally, feedback inhibition can be overridden by other regulatory mechanisms, such as positive feedback, to allow for rapid responses to changing environmental conditions or physiological demands.

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A) this is an example of codominance when in the heterozygous form both genes manifest

we'll say that F-red feathers; f-white feathers

B)50% will have spotted feathers

c)0% wil have red feathers

The populations of some organisms have increased due to human influence, while the populations of others have decreased. What difference in biodiversity would you expect between an undisturbed wetland ecosystem and one that has been partially drained and replaced with farmland? The wetland would have more biodiversity.

The merits of the genetic analyses approach include:

The limitations include:

Genetic analyses are very accurate. They can identify even small amounts of foreign DNA, which makes them ideal for detecting hybridization. Genetic analyses are relatively quick and easy to perform. This makes them a convenient and cost-effective way to test for hybridization.

Genetic analyses can be expensive. This may be a barrier for some beekeepers or researchers. Genetic analyses can only be used to detect hybridization if the foreign DNA is from a known species of honeybee. This means that genetic analyses cannot be used to detect hybridization between honeybees and other species of bees.

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Answer:

Fibrous proteins tend to have more structure support for the organism due to its linear formation. Globular proteins tend to have a defined shape for an active site thus having a catalytic role.

Explanation:

hope this helps you if it does please mark brainiest

A graph that shows the strength of an effect of a substance at different doses is called a dose-response curve.

A dose-response curve is a graphical representation that illustrates the relationship between the dose or concentration of a substance and its corresponding effect or response. This curve is commonly used in various scientific fields, including pharmacology, toxicology, and medicine, to assess the potency, efficacy, and safety of drugs, chemicals, or treatments.

The shape of a dose-response curve can vary depending on the substance and the biological system being studied. The curve typically starts at a baseline level, where the effect is minimal or absent at lower doses. As the dose increases, the response gradually increases until it reaches a maximum or plateau, where the effect reaches its peak. Further increases in dose may not produce a significant additional response or may even lead to adverse effects. Dose-response curves can provide valuable information about the potency and therapeutic index of drugs, helping researchers determine the appropriate dosage range for effective treatment while minimizing side effects.

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Answer:

I got you

Explanation:

homozygous is when the letters are AA or aa NOT Aa

heterozygous is when it is Aa

The homozygous can only pass down A or a, not both. If the parent was AA, the probability of their offspring would be more likely to have a dom. phenotype is more likely. If it was aa, they are more likel to create heterozygous and recessive offspring.

The heterozygous coding is able to pass on both the recessive and dom. traits. So the offspring would be more dependent on the other parent, but most likely will have more dom. offspring.

I'm sorry I don't know a good way to explain what I mean by t h a t, but that was the best I could really do

Answer:

A.) Carbon can only form a few types of chemical compounds.

Explanation:

A.) is correct because carbon is actually found in a large variety of compounds, such as proteins, carbohydrates, fats, etc.

B.) is incorrect because as stated above, it is correct to say that carbon is found in a ton of different molecules.

C.) is incorrect because carbon can form many different types of bonds depending on what it's bonding to. It also can engage in many types of intermolecular attractions.

D.) is incorrect because all life on Earth contains carbon. All organic substances include carbon in some way.

It can create single, double, and triple bonds, carbon is a versatile substance. In addition, when joined with other carbon atoms, it can form rings, branched rings, and chains. Thus, option A is correct.

The ability of carbon to establish stable bonds with numerous elements, including itself, is the cause. This property allows carbon to exist in a wide variety of extremely large and complex molecules. In reality, the number of carbon-based molecules in living things is around 10 million!

Since carbon has a valency of four, it can associate with other atoms or elements to create covalent bonds. Tetra valency is the name given to this quality. When carbon atoms join together to create lengthy chains, this element can form. Catenation is the name of this characteristic.

Therefore, It exists in two or more crystalline forms in the same physical condition. Graphite and diamond are the two most widely used carbon allotropes.

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Answer:

The main characteristic of plant-pollination networks is their nested designs.

Answer:

how do i make it larger?

Explanation:

Answer:

d. pasta

Explanation:

...

Answer:

Explanation:

The number of copies of an allele in a population divided by the total number of all alleles for that gene in a population is the allele frequency. For a gene with two alleles whose frequencies are p and q, the Hardy-Weinberg equation states that the genotypes that are possible for the population are p^2 + 2pq + q^2, which is equal to

Edwin Hubble found out that what appeared to be large clouds in space were not gas, but galaxies.  

In 1925, the American astronomer Edwin Hubble measured the distance to Andromeda and other spiral nebulae and showed that these nebulae were outside, and very far, from the Milky Way.  

Such nebulae were independent galaxies from ours, which indicated that the Universe was much larger than had been previously believed.  

About Edwin Hubble:

Therefore, we can conclude that Edwin Hubble discovered that there are millions of galaxies in the Universe and that the further away a galaxy is, the greater its speed.  

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In the systemic capillaries in muscle tissue, hemoglobin releases virtually all the oxygen it is carrying and becomes completely desaturated True

The answer is a. True.

In the systemic capillaries in muscle tissue, hemoglobin releases virtually all the oxygen it is carrying and becomes completely desaturated. This process is essential for the delivery of oxygen to the cells of the muscle tissue, where it is used in cellular respiration.

As blood flows through the systemic capillaries in muscle tissue, the partial pressure of oxygen in the capillaries is higher than in the surrounding tissue. This causes the hemoglobin in the red blood cells to release its oxygen, which diffuses into the tissue. The now oxygen-depleted hemoglobin becomes completely desaturated, meaning it has given up all of its oxygen and has no more to release.

This process continues as blood continues to flow through the capillaries, supplying the cells of the muscle tissue with the oxygen they need for cellular respiration and removing waste products such as carbon dioxide.

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Answer: These are all statements which are already proven by theorems or experiments so nothing much can be done with the given attachment.

Sorry.

Answer:Genotype of heterozygous purple plant is: Pp

Cross = Pp  × Pp

Offspring: = PP, Pp, Pp, pp

In short, Your Answer would be Option D

Hope this helps!

Explanation:

Answer:

No

Explanation:

If they were no more changes in the habitat, the value under larger that ample would not be correct this is because no spectacular changes has occur in the habits that could bring about a ample change. Habits is the environment an organism dwell and a change in the environment will affect positively or negatively the organism leaving there in.

An ample change can be seen if their is a modification in the environment that will better improve the livelihood of the organism.

Producer transfers energy from trophic level one to other organism, if the amount of producer is increased, a change in the habitat can be ample and positive because energy flow increases.

Answer:

No, the value, would not be the same. Because it's larger than ample, it can sustain more rabbits and necessities. This means that the population will increase due to a rise in land.

Explanation:

Answer:

D) that geographically isolated groups of dogs may be selected for quite different traits, resulting in a different dog breed

Explanation:

Artificial selection is a type of selective breeding made by humans in which offspring with desired traits are selected. Modern dogs evolved by artificial selection. Dog breeding began around 30,000 years ago from selective breeding of wolves that were separated from their original population and bred to produce dogs with desired traits (especially, loss of aggressive behavior). Purebred are reproductively isolated groups of dogs originated from the same lineage (i.e., the same common ancestor for each group), that never mated with another dog breed.

The network of tissues and organs that make up the respiratory system carry out the function of breathing.

How does the breathing system function?

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Answer:

Biodiversity is important to humans for many reasons. Ecological life support biodiversity provides functioning ecosystems that supply oxygen, clean air and water, pollination of plants, pest control, wastewater treatment and many ecosystem services

Answer:

The DNA must be copied so there is a full set of DNA to pass on to each daughter cell.

Explanation:

Answer:

Approximately 100 to 150 mol/L of ATP are required daily

Explanation:

Basically, the human body turns over its weight in ATP daily.

Answer:

Listen for sounds of breathing and see if you can feel their breath on your cheek for at least 10 seconds. If the person is gasping, choking, or breathing irregularly, this means they are alive but not breathing normally. If the person is not breathing or if their breathing is abnormal, you'll need to perform CPR.

Explanation:

Answer:

You know if I person is alive if he is breathing. If not, place your ear or hand in the persons chest and see if his heart is beating. If not, grab the persons hand and press a vein and if you feel small beats, then the person is alive. If the person is not breathing or you don't feel heart beats, then do CPR. This should make the person start breathing again.

Explanation:

Answer:

C-G-A-G-T-C-C-G-C

Explanation:

The letters each have their own opposites. T is always the opposite of A. G is always the opposite if C

The density of the clay plate is  1970 kg m⁻³

the problem we are dealing with is related to density, which is the mass of a unit volume of a material substance. The formula for calculating density is d = M/V, where d is density, M is mass, and V is volume. Since we are provided with the volume of the clay plate which is 30.0cubic centimeters and the mass of the plate which is 59.1grams

so,V= 30 cm⁻³=3x 10-5 m and  M=  59.1grams= 0.0591 kg

Therefore, the density of the plate is:  M/V

=>d = 1970 kg m⁻³

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A species that must disperse from their current habitat to a new location are called "dispersers." Dispersal is defined as the movement of individuals away from their natal population. It includes seeking out new resources, escaping from unfavourable conditions, or following mates. 

There are two main types of dispersal: active and passive. Active dispersal requires energy expenditure on the part of the disperser, while passive dispersal does not. For example, a bird flying to a new area is engaging in active dispersal, while a seed that is carried there by the wind is undergoing passive dispersal.

Dispersal is a vital process in the establishment of new populations and the maintenance of genetic diversity. Without dispersal, species would be confined to small, isolated groups, which would eventually lead to inbreeding and a loss of genetic diversity.

There are a number of dispersal strategies that species can employ, and the most effective strategy often depends on the habitat and the resources that are available and dispersal ability can vary significantly from one species to the next in a given population.

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Answer:

Tundra

Explanation:A tundra is mostly Antarctica or the Arctic or mostly an area that's covered with loads of ice and snow.Arctic tundra is a very cold, windy, and treeless biome that's snow-covered for much of the year.

The endocrine system is the organ system which is responsible for coordinating the activity of the other organ systems.

The endocrine system is an organ system which consists of a group of organs or the glands which are known as the endocrine glands that perform the function of releasing hormones directly into the circulatory system of the body.

These hormones which are secreted by the glands travel through the circulatory system to target organs which are located distantly to show their action and dictate their functioning . Some of the glands of the endocrine system include hypothalamus, thyroid gland, adrenal gland etc.

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Answer:

1.5 billion im not sure doe.