Biology A-Level
Mass flow
What Mass flow means in Biology A-Level, as defined for OCR.
Definition of Mass flow
Check what you remember
Read the wording for your board, then hide it and explain Mass flow in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The accepted mechanism of translocation, driven by a pressure gradient, moving sap from source to sink.
Topics that use Mass flow
- 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 Mass flow in the exam
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