A-LevelBiologyCell membranes and transport9700/12 · Oct/Nov 2011 · Q141 Mark

Red blood cells were placed in a solution of sodium chloride with a less negative water potential than the cell contents. Haemoglobin was released from the cells. By what process was the haemoglobin released?

Aactive transport

Bexocytosis

Cfacilitated diffusion

Dlysis of cell

✓ Correct answer

D: lysis of cell

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Topic: Cell membranes and transport, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Oct/Nov 2011 Paper 1 Variant 2, question 14.

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