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| Q. |
Enzymes are - |
| A. | Steroids |
| B. | Carbohydrates |
| C. | Proteins |
| D. | Lipids |
| Answer» C. Proteins | |
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Explanation: Enzymes are protein molecules in cells which work as catalysts. Most enzymes are proteins, although a few are catalytic RNA molecules; the latter are called ribozymes. |
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