Prosthetic groups differ from co-enzymes, in which:

1. they require metal ions for their activity.
2. they (prosthetic groups) are tightly bound to apoenzymes.
3. their association with apoenzymes is transient.
4. they can serve as co-factors in a number of enzyme-catalyzed reactions.
Subtopic:  Enzyme Cofactors |
 80%
From NCERT
NEET - 2019
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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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Which of the following cofactor is essential for the proteolytic enzyme carboxypeptidase?

1. Zinc

2. Copper

3. Magnesium

4. Iron

Subtopic:  Enzyme Cofactors |
 87%
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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Most enzymes consist of two parts i.e. 

1. Holoenzyme and prosthetic group

2. Enzyme and coenzyme

3. Apoenzyme and enzyme

4. Apoenzyme and cofactor

Subtopic:  Enzyme Cofactors |
 85%
From NCERT
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The  protein constituent of the enzymes are called

1. Apoenzyme

2. Prosthetic group

3. Co-enzymes

4. Holoenzyme

Subtopic:  Enzyme Cofactors |
 83%
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I. Small organic molecules
II. Difficult to remove without denaturing the enzyme
III. Haem is an example

The above characters are of which of the following co-factors of an enzyme?

1. Metal ions

2. Prosthetic groups

3. Co-enzymes

4. Apoenzymes

Subtopic:  Enzyme Cofactors |
 80%
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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 |
 80%
From NCERT
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An organic substance bound to an enzyme and essential for its activity is called:

1. coenzyme                   

2. holoenzyme

3. apoenzyme                 

4. isoenzyme

Subtopic:  Enzyme Cofactors |
 76%
From NCERT
NEET - 2006
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The essential chemical components of many coenzymes are:
1. Nucleic acid
2. Carbohydrates
3. Vitamins
4. Proteins

Subtopic:  Enzyme Cofactors |
 70%
From NCERT
AIPMT - 2013
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