Question
Distinguish between the following:
Active absorption and Passive absorption.
Active absorption and Passive absorption.
| Active absorption | Passive absorption |
| 1. Active absorption is a physiological process. | 1. Passive absorption is a physical process. |
| 2. Active absorption takes place by the process of osmosis. | 2. Passive absorption takes place by suction force. |
| 3. It involves the expenditure of energy on the part of absorbing cells. | 3. It does not involve the expenditure of energy on the part of absorbing cells. |
| 4. Active absorption takes place against the concentration gradient. | 4. Passive absorption takes place along the concentration gradient. |
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