Translocation
- Created by: Abbie
- Created on: 08-01-13 11:09
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Translocation
Translocation is the movement of assimilates (nutrients), but mainly sucrose, up or down the phloem
It starts at the source and ends at the sink
- The source can be a leaf because sucrose is made there by photosynthesis
- Sucrose is actively loaded into the phloem by the companion cells - H+ ions are pumped out of the cell and then brought back in in a cotransporter along with sucrose (using ATP)
- Sucrose then goes into the sieve tubes through the…
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