Even though human proteins are synthesized from only 20 different amino acids, there are thousands of different proteins found in human cells. This great variety of proteins is possible because the

Answers

Answer 1

Answer: This is possible because of the length of the protein. It is always possible to add more amino acids and synthesize new protein and every new addition increases the number of possibilities drastically.

Answer 2

Answer:

sequence and number of amino acids can be different in each protein

Explanation:

they can be arranged to make a great variety of different proteins

Related Questions

The condition in which an organism has extra sets of chromosomes is called polyploidy.
The main function of _____ tissue is communication between different parts of the body.connectiveepithelialnervousmuscular
What cell parts are found only in plant cells? What are found only in animal cells?
Which of the following statements about antibodies is false?(A) Antibodies are produced by different combinations of soluble proteins in the blood called complement. (B) When antibodies bind to a bacterial cell, it may keep that cell from adhering to host cells. (C) The specific receptors on T cells that would interact with a specific antigen are the same shape as antibodies that will interact with that antigen. (D) By binding to antigens, antibodies mark those antigens for destruction by macrophages. (E) By binding to an invader, antibodies attract proteins that lyse the target membrane.
The original population of brown spotted deer declined drastically after their forest habitat was flooded. After frantic efforts over three decades by the forest authorities to revive the dwindling population, it did bounce back. Now the deer population is as huge as it was three decades ago, but it shows a decreased amount of genetic variations. Which factor could be responsible for this microevolution?

A substance that speeds up the rate of a chemical reaction is calledA. a catalyst

B. a substrate.

C. an enzyme.

D. Both A and C

Answers

A substance that speeds up the rate of a chemical reaction is called A.a catalyst

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Which of the following is not an example of a service provided by beneficial bacteria?A. Nutrient cycling
B. Food production
C.Bioremediation
D.Bioaccumulation

Answers

The correct answer is D.Bioaccumulation

This means accumulation of biological material which is never done by beneficial bacteria.

Current beliefs as to why people age

Answers

Throughout our lives all of our bodily systems have cells that duplicate themselves. After a certain number of years, these cells begin to start dying off, or become more prone to mutations that occur in the cell replication process. An example is the eventual death of muscle cells that lead to reduced muscle tone and strength in the elderly. Concerning mutations in cell replication, the more times something happens the more chances there are that something can go wrong. If a cell has replicated itself twenty times, there has been little opportunity for something to go wrong, but when cells have replicated hundreds or thousands of times, pure odds mean the chances are greater for "mistakes". These mutations are what leads to certain diseases that are more greatly associated with aging, such as certain cancers.

How is the process of photosynthesis central to sustaining life on earth?

Answers

Answer:

Photosynthesis is the process by which green plants manufacture their foods using the energy from the sun. Plants are the only living organism that have the ability to tap energy from the sun and use it to produce their food. The food produce by plants are used by plants and all other living organisms for survival. The herbivores feed directly on plants while carnivores feed on herbivores. The omnivores animals feed on both herbivores and carnivores. Thus, all living organisms on the earth depend on photosynthesis and on plants for the production of foods from which they derive the energy that they use to carry out their life activities.

Final answer:

Photosynthesis is essential to life on Earth as it provides organisms with energy, produces atmospheric oxygen, and contributes to biodiversity.

Explanation:

The process of photosynthesis is central to sustaining life on earth because it allows living organisms to harness energy from the sun and convert it into chemical energy in the form of glucose. This energy is then transferred through the ecosystem and used by heterotrophs for various biological processes, including growth and reproduction.

During photosynthesis, plants also produce oxygen, a by-product that is vital for aerobic respiration in most organisms. The oxygen we breathe and the food we eat are both direct products of photosynthesis, thus highlighting its importance in sustaining life on Earth.

The diversity of life forms we see today also owes much to photosynthesis, as the energy it captures has allowed organisms to evolve complex structures and thrive in different environmental conditions. As such, photosynthesis plays a major role in maintaining the global biodiversity.

Learn more about Photosynthesis here:

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Zander is trying to determine the correct answer on a multiple-choice test. He has eliminated two of the four answer options because they do not fit the question, and now he is trying to recall what he knows about the question. Which two parts of Zander’s brain are working to perform these operations?

Answers

I am not sure if this answer is right, my guess is;
Medial Temporal Lobe: Memory
The Frontal Lobe: Thinking

Answer:

(B) hippocampus and cerebrum

Explanation:

I took the quiz and got the answer correct

gentoo penguins will present a mate with a pebble that they find to attract a mate. emperor penguins have a specific call and movement that they make to attract a mate. which type of isolation do these penguins demonstrate?

Answers

The answer is behavioral isolation.

Reproductional isolation is a way to prevent closely related species to mate each other. This is due to reproductive barriers which can be either prezygotic (before fertilization) and postzygotic (after fertilization) barrier. Behavioral isolation is an example of postzygotic barrier. It is based on behavior, including mating sounds and rituals. Thanks to behavior isolation, the different species (in this example gentoo penguins and emperor penguins) will have different mating rituals so they could attract only individuals of their own species, respectively.

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