- 1(current)
Q. No.The non protein constituent present in many enzymes is called:
| 1. Co-enzyme | 2. Co-factor |
| 3. Apoenzyme | 4. Holoenzyme |
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Haem in hemoglobin:
1. is loosely bound
2. is the co-enzyme
3. is the prosthetic group
4. has no influence on activity of Hb
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What is the co-factor for the proteolytic enzyme, carboxypeptidase?
| 1. Molybdenum | 2. Manganese |
| 3. Zinc | 4. Copper |
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The metal ion that acts as a co-factor for both alcohol dehydrogenase and carbonic anhydrase is:
| 1. | Magnesium | 2. | Iron |
| 3. | Zinc | 4. | Nickel |
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Consider the following two statements regarding enzyme action:
| I: | Co-factors play a crucial role in the catalytic activity of the enzyme. |
| II: | Catalytic activity is reduced when the co-factor is removed from the enzyme. |
Of the above statements:
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct but II is incorrect
4. I is incorrect but II is correct
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Consider the following enzymes:
I. Catalase
II. Peroxidase
III. Carboxypeptidase
Which of these enzymes require haem as a co-factor for their activity?
| 1. | I only | 2. | I and II only |
| 3. | II and III only | 4. | I, II and III |
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- 1(current)
Q. No.
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