NURSING EXAM QUESTIONS
BIOCHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which statement about enzymes in NOT true?
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Enzymes are composed of polypeptide chains
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Enzymes form a temporary bond with a reactant
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Enzymes are destroyed when they are used and must be made each time a reaction takes place
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Each enzyme is specific because of its shape and catalyzes only certain reactions
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Explanation:
Detailed explanation-1: -So, the correct answer is ‘Enzymes are used up in reactions’.
Detailed explanation-2: -Answer is (1) Enzymes are non-specific for a reaction and substrate.
Detailed explanation-3: -Enzymes are mostly proteins that catalyze various biochemical reactions. The catalytic reaction occurs through a specific region of the enzyme called the ‘active site’. Enzymes are not destroyed after the reaction. They remain unaltered after the product is released.
There is 1 question to complete.