Biology A-Level
Diffusion distance and cell position
What Diffusion distance and cell position means in Biology A-Level, as defined for OCR.
Definition of Diffusion distance and cell position
Check what you remember
Read the wording for your board, then hide it and explain Diffusion distance and cell position in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Many plant cells are deep inside the plant, far from the surface, so the diffusion distance is too great.
Topics that use Diffusion distance and cell position
- 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 Diffusion distance and cell position in the exam
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