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Identify the incorrect pair.
| 1. | Lectins - Concanavalin A | 2. | Drugs - Ricin |
| 3. | Alkaloids - Codeine | 4. | Toxin - Abrin |
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In a typical cell, which of the following constitutes least % of the total cellular mass?
| 1. | Proteins | 2. | Nucleic acids |
| 3. | Carbohydrates | 4. | Lipids |
Other Reason

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