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Rudiy27
3 years ago
12

How do enzymes impact a chemical reaction?

Biology
1 answer:
andreyandreev [35.5K]3 years ago
8 0
Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy.
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Which of the following are affected by the order of amino acids in a protein? Select all that apply.
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<h2>Answer:</h2>

The <u>structure and function</u> are affected by the amino acids order in a protein.

<h2>Explanation:</h2>

The succession of a protein is controlled by the DNA of the genes that encode the protein. An adjustment in the gene's DNA arrangement may prompt an adjustment in the amino acid grouping of the protein. In any event, changing only one amino acid in a protein's grouping can influence the protein's general structure and capacity.  

For example, a solitary amino acid change is related to sickle cell frailty, an acquired infection that influences red platelets. In sickle cell frailty, one of the polypeptide ties makes hemoglobin, the protein that conveys oxygen in the blood has a slight succession change. The glutamic acid that is regularly the 6th amino acid of the hemoglobin β chain is supplanted by a valine.

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4 years ago
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Flashcards or memorizing like saying the sentence, picking out a key word like ''green'', and then reciting it will help. Like yellow and blue make _____. Do this until you can remember it in the back of your mind. many study tips are posted on the internet! The limbic system in your brain is actually what stores memory.
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Four structural domains of tRNA transcripts include the T loop, the D loop, the anticodon loop, and the
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Answer:

The correct answer will be option-B.

Explanation:

Transfer RNA or tRNA is the RNA molecule associated with the protein synthesis as it adds the specific amino acids to the nascent growing polypeptide.

The structure of the tRNA molecule resembles the shape of a clover leaf and is known as the clover leaf model. The structure contains hydrogen-bonded stems and associated loops. The stems include acceptor stem which posses CCA 3'-terminal group to attach amino acids. The anticodon loop contains an amino acid attachment site. T and D loop contains modified pseudouridine and dihydrouridine.

Thus, Option-B is the correct answer.

 

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