A-LevelBiologyCell membranes and transport9700/12 · May/June 2015 · Q161 Mark
The diagram represents a cell surface membrane. Three pathways through the membrane are shown. Which process is represented by each arrow?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
A1: active transport, 2: diffusion, 3: facilitated diffusion
B1: diffusion, 2: active transport, 3: facilitated diffusion
C1: diffusion, 2: facilitated diffusion, 3: active transport
D1: facilitated diffusion, 2: diffusion, 3: active transport
✓ Correct answer
C: 1: diffusion, 2: facilitated diffusion, 3: active transport
Practise more questions on this topic
Oracle Prep sorts past-paper questions by topic, so you can drill Cell membranes and transport and see which topics are most likely to come up next.
Sign up free →