O-LevelBiologyCell Biology5090/11 · Oct/Nov 2016 · Q21 Mark

Which row describes diffusion into a cell?

Aenergy required from the cell: ✓, particles move down a concentration gradient: ✓

Benergy required from the cell: ✓, particles move down a concentration gradient: ✗

Cenergy required from the cell: ✗, particles move down a concentration gradient: ✓

Denergy required from the cell: ✗, particles move down a concentration gradient: ✗

✓ Correct answer

C: energy required from the cell: ✗, particles move down a concentration gradient: ✓

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Topic: Cell Biology, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2016 Paper 1 Variant 1, question 2.

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