Biology A-Level
Sources and sinks
What Sources and sinks means in Biology A-Level, as defined for OCR.
Definition of Sources and sinks
Check what you remember
Read the wording for your board, then hide it and explain Sources and sinks in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Regions where assimilates are produced or released, and regions where they are used or stored, respectively.
Topics that use Sources and sinks
- Transport in plants (OCR A-Level)
Related terms
- Cohesion and adhesion
- Control of environmental variables
- Hydrophyte
- Osmosis
- Potometer
- Rate calculation
- Source-to-sink transport of assimilates
- Surface area to volume ratio in plants
Using Sources and sinks in the exam
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