Biology
Answer
| Active Transport | Osmosis |
|---|---|
| Active transport is the passage of a substance from its lower to higher concentration through a living cell membrane using energy from the cell. | Osmosis is the movement of water molecules from their region of higher concentration to their region of lower concentration through a semi permeable membrane |
| There is expenditure of energy. | There is no expenditure of energy. |
| Occurs only when cell membrane is involved. | Occurs when any semipermeable membrane like cell membrane or cellophane is involved. |
| It occurs against concentration gradient. | It occurs along the concentration gradient. |
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