The cofactor of the enzyme carboxypeptidase is:
1. Niacin
2. Flavin
3. Haem
4. Zinc
Subtopic:  Enzyme Cofactors |
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Match List-I with List-II:
List-I List-II
A. Ribozyme I. Glucose transport 
B.  Lecithin II. Non-proteinaceous enzyme
C.  Glut-4 III. Lipid
D. Vitamins IV. Coenzyme

Choose the correct answer from the options given below : 
1. A-IV, B-III, C-I, D-II
2. A-IV, B-III, C-II, D-I
3. A-II, B-I, C-III, D-IV
4. A-II, B-III, C-I, D-IV
Subtopic:  Proteins | Lipids | Enzymes | Enzyme Cofactors |
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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
Subtopic:  Enzyme Cofactors |
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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:  Enzyme Cofactors |
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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 |
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