Which statement about enzyme is incorrect_________________?
Correct answer: C. All enzymes are fibrous Proteins.
- A. Some of them consist solely of protein with no non protein part.
- B. They catalyze a chemical reaction without being utilized.
- C. All enzymes are fibrous Proteins.
- D. They without their cofactor are called apoenzyme.
Explanation
Enzymes are generally globular proteins, not fibrous proteins, because their folded three-dimensional structure creates the active site. A student may choose d because apoenzymes lack their cofactors, but that statement is correct; the apoenzyme becomes active when combined with its cofactor.
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