Which of the following cofactor is essential for the proteolytic enzyme carboxypeptidase?

1. Zinc

2. Copper

3. Magnesium

4. Iron

Subtopic:  Enzyme Cofactors |
 88%
From NCERT
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Consider the following statements:

(A) Coenzymes or metal ion that is tightly bound to enzyme protein is called prosthetic group.
(B) A complete catalytic active enzyme with its bound prosthetic group is called apoenzyme.

Select the correct option:

1. (A) is False but (B) is True

2.  Both (A) and (B) are True

3. (A) is True but (B) is False.

4. Both (A) and (B) are False.

Subtopic:  Enzyme Cofactors |
From NCERT
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Which of the following contain the vitamin niacin?

1. NAD

2. NADP

3. Heme

4. Both A and B

Subtopic:  Enzyme Cofactors |
 86%
From NCERT
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The essential chemical components of many coenzymes are

1. Metal ions

2. Vitamins

3. Heme

4. NAD and NADP

Subtopic:  Enzyme Cofactors |
 73%
From NCERT
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Which of the following organic compound association with the apoenzyme is only transient?

1. Prosthetic group

2. Coenzymes

3. Metal ions

4. Both A and B

Subtopic:  Enzyme Cofactors |
 67%
From NCERT
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The Cofactor present in the Enzyme Peroxidase is

1. NADP

2. NAD

3. Haem

4. Zn

Subtopic:  Enzyme Cofactors |
 72%
From NCERT
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The Cofactor present in the Enzyme Catalase is

1. NADP

2. NAD

3. Haem

4. Zn

Subtopic:  Enzyme Cofactors |
 68%
From NCERT
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Which of the following is an organic compound?

1. Prosthetic group

2. Coenzymes

3. Metal ions

4. Both A and B

Subtopic:  Enzyme Cofactors |
 81%
From NCERT
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Which one of the following statements is correct, with reference to enzymes?

1. Apoenzyme = Holoenzyme + Coenzyme

2. Holoenzyme = Apoenzyme + Coenzyme

3. Coenzyme = Apoenzyme + Holoenzyme

4. Holoenzyme = Coenzyme + Cofactor

Subtopic:  Enzyme Cofactors |
 87%
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Which of  the following are co-factors?

1. Co-enzymes

2. Metal ions

3. Posthetic groups

4. All of these

Subtopic:  Enzyme Cofactors |
 94%
From NCERT
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