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balandron [24]
3 years ago
8

Antibodies:_______. A. play a large role in cell-mediated immunity. B. are produced by both T and B cells. C. are composed of fo

ur light and four heavy polypeptide chains. D. are not specific, but act generally. E. have a variable region that binds to a specific antigenic determinant.
Biology
1 answer:
LuckyWell [14K]3 years ago
6 0

Answer:

E. have a variable region that binds to a specific antigenic determinant.

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With reference to the induced fit model, describe how the tertiary structure of a named enzyme facilitates its function as a bio
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The induced-fit model includes the change in the conformational site of the substrate and enzyme. It is done till the enzyme completely binds the substrate. This will then activates the enzyme to perform its work.

<h3>What is induced fit theory?</h3>

Induced fit theory or model suggest that the activation site of enzymes and the binding site of substrates undergo some conformational changes to fit into each other.

This binding results in activation of the enzyme and as the enzyme has a three-dimensional tertiary structure, this would help it to get fitted into the substrate.

Thus, with reference to the induced fit model tertiary structure of enzyme facilitates its function as a biological catalyst.

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