- Created by: Danielle Trout
- Created on: 27-04-13 19:13
- B3 1.2 Active Transport
- Substances are sometimes absorbed against a concentration gradient by active transport.
- Active transport uses energy from respiration in the form of ATP.
- Cells can absorb ions from very dilute solutions, and actively absorb substances such as sugar and salt against a concentration gradient using active transport.
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