- 1(current)
Q. No.In the enzyme which catalyses the breakdown of:
\(\mathrm{H}_2 \mathrm{O}_2 \rightarrow \mathrm{H}_2 \mathrm{O}+\mathrm{O}_2\)
the prosthetic group is :
1. Nicotinamide adenine dinucleotide
2. Haem
3. Zinc
4. Niacin
\(\mathrm{H}_2 \mathrm{O}_2 \rightarrow \mathrm{H}_2 \mathrm{O}+\mathrm{O}_2\)
the prosthetic group is :
1. Nicotinamide adenine dinucleotide
2. Haem
3. Zinc
4. Niacin
Subtopic: Â Enzyme Cofactors |
 67%
From NCERT
NEET - 2022
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Subtopic: Â Enzyme Cofactors |
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NEET - 2024
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The essential chemical components of many coenzymes are:
1. Nucleic acid
2. Carbohydrates
3. Vitamins
4. Proteins
Subtopic: Â Enzyme Cofactors |
 71%
From NCERT
AIPMT - 2013
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Consider the following statements:
| A: | A coenzyme or metal ion that is tightly bound to enzyme protein is called prosthetic group |
| B: | A complete catalytic 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: Â Enzyme Cofactors |
From NCERT
NEET - 2019
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Prosthetic groups are distinguished from other cofactors in that they:
I: are organic compounds.
II: are tightly bound to the apoenzyme.
1. Only I is true
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
I: are organic compounds.
II: are tightly bound to the apoenzyme.
1. Only I is true
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Â Enzyme Cofactors |
From NCERT
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Coenzymes nicotinamide adenine dinucleotide (NAD) and NADP contain the vitamin:
| 1. | Riboflavin | 2. | Pantothenic acid |
| 3. | Niacin | 4. | Pteroylglutamic acid |
Subtopic: Â Enzyme Cofactors |
 92%
From NCERT
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When the co-factor is removed from the enzyme:
1. catalytic activity is lost
2. catalytic activity is reduced
3. catalytic activity increases
4. catalytic activity remains same
1. catalytic activity is lost
2. catalytic activity is reduced
3. catalytic activity increases
4. catalytic activity remains same
Subtopic: Â Enzyme Cofactors |
 84%
From NCERT
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