- 1(current)
Q. No.Prosthetic groups differ from co-enzymes in that
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 |
86%
Level 1: 80%+
NEET - 2019
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Consider the following statements:
| (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: Enzyme Cofactors |
Level 3: 35%-60%
NEET - 2019
Hints
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:
\(\mathrm{H}_2 \mathrm{O}_2 \rightarrow \mathrm{H}_2 \mathrm{O}+\mathrm{O}_2\)
the prosthetic group is:
| 1. | Nicotinamide adenine dinucleotide | 2. | Haem |
| 3. | Zinc | 4. | Niacin |
Subtopic: Enzyme Cofactors |
72%
Level 2: 60%+
NEET - 2022
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- 1(current)
Q. No.
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