If the bond between the enzyme and inhibiting drug is very strong, which of the following takes place?
A
The enzyme is blocked temporarily
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B
The active site slowly regains its original shape
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C
The enzyme develops a new active site
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D
The enzyme is blocked permanently
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Solution
The correct option is D The enzyme is blocked permanently When there is a strong covalent bond between the enzyme and the drug, the enzyme is blocked permanently. This results in the degradation of the entire drug-enzyme complex and the synthesis of a new enzyme.