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Apoenzyme is...

Apoenzyme is

A

Always a protein

B

Often s metal

C

Always an inorganic compound

D

Often a vitamin

Text Solution

Verified by Experts

The correct Answer is:
A
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Apoenzyme/coenzyme is the non-protein part of conjugate enzyme.

Apoenzyme alone cannot function.

Knowledge Check

  • (A) Metal ions are co-factor which form coordination bonds with side chains at the active site and at the same time form one or more coordination bonds with the substrate. (B) Co-enzymes are organic compounds and their association with the apoenzyme is permanent.

    A
    Both (A) and (B) are correct
    B
    Both (A) and (B) are incorrect
    C
    Only (A) is correct
    D
    Only (B) is correct

  • Which of the following statements is incorrect? I. Nearly 1/3rd of all enzymes requires the presence of metal ions for catalytic function II. Metal ions form coordinate bond with side chain at active site of metalloenzyme and at the same time form one or more coordinate bonds with the substrate III. NAD and NAD (coenzymes) contain niacin (vit.) IV. Coenzyme are organic compounds but their association with the apoenzyme is only transient, usually occurring during catalysis

    A
    All
    B
    Only III and IV
    C
    Only IV
    D
    None of the above

  • Apoenzyme and coenzyme collectively produce -

    A
    Holoenzyme
    B
    Enzyme product complex
    C
    Cofactor
    D
    Prosthetic group

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    Distinguish between apoenzyme and coenzyme.

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    Combination of apoenzyme and coenzyme produces

    Apoenzyme and coenzyme collectively produce

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