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Earn 100
Assertion (A): Co-enzyme is a nonprotein without which enzymes are inactive or incomplete.
Reason (R): Co-enzymes not only provide a point of attachment for a chemical group being transformed but also influence the properties of the group.
Reason (R): Co-enzymes not only provide a point of attachment for a chemical group being transformed but also influence the properties of the group.
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Important Questions on Biomolecules
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Match the entries in column I and Column II. Which one of the following choices is correct?
| Column I | Column II | ||
| (a) | Haeme | (1) | Cofactor |
| (b) | (2) | Vitamin | |
| (c) | Zinc | (3) | Coenzyme |
| (d) | Niacin | (4) | Prosthetic group |
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Study the following
| (I) | value | Affinity of the enzyme | Inverse measure enzyme affinity |
| (II) | Hydrolases | bonds | Linking compounds |
| (III) | Transferases | Transfer of a group | Inhibitor of reaction |
| (IV) | Emil Fisher | Lock and key hypothesis | Formation of ES complex |
The correct combinations are
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| List-I | List-II | List-III | |||
| A | Coenzymes are organic compound | i | No structure similarities | I | Ribose-5 phosphate isomerase |
| B | Isomerases | ii | Differ from inorganic catalysis | II | During catalysis |
| C | Non-competitive enzyme inhibition | iii | Catalyzing interconversion of optical positional isomers | III | Operates at high temperatures also |
| D | Enzyme catalysts | iv | With the apoenzyme only as a transient | IV | Metal ion of copper |
The correct match is:
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Write short note on the following- Enzyme.
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