The active form of an enzyme is called:
Correct answer: C. Holoenzyme
- A. Coenzyme
- B. Apoenzyme
- C. Holoenzyme
- D. Proenzyme
Explanation
OPTION A: The co-enzymes are the derivatives of vitamins. e.g. ATP, NAD+, and FAD+ are common coenzymes.OPTION B: The protein part of the enzyme which is catalytically inactive is called apoenzyme.OPTION C: An enzyme that requires a cofactor and becomes active only if the cofactor is combined with it. Such an active enzyme is called a holoenzyme. Hence, C is the correct option.OPTION D: Proenzyme is any of a group of proteins that are converted to active enzymes by partial breakdown, as by the action of an acid or other enzyme.
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About Enzymes
Enzymes are biological catalysts that lower activation energy without being consumed, and their specificity is explained by the lock and key and induced fit models. Work includes the effects of temperature, pH and substrate concentration on reaction rate, plus competitive and non-competitive inhibition and how these differ.
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