A-LevelBiologyCell membranes and transport9700/12 · Oct/Nov 2011 · Q151 Mark
The table shows three processes that contribute to transport across cell surface membranes. Which processes are the result of random movement of molecules? [Table 15]
Adiffusion: ✓
facilitated diffusion: ✓
osmosis: x
Bdiffusion: ✓
facilitated diffusion: ✓
osmosis: ✓
Cdiffusion: x
facilitated diffusion: ✓
osmosis: ✓
Ddiffusion: x
facilitated diffusion: x
osmosis: x
✓ Correct answer
B: diffusion: ✓ facilitated diffusion: ✓ osmosis: ✓
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