A-LevelBiologyCell membranes and transport9700/12 · May/June 2022 · Q161 Mark
Which features are required to allow for efficient diffusion? 1 a large surface area 2 a short diffusion pathway 3 maintenance of a constant diffusion gradient
A1, 2 and 3
B1 and 2 only
C1 and 3 only
D2 and 3 only
✓ Correct answer
A: 1, 2 and 3
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