A-LevelBiologyCell membranes and transport9700/12 · May/June 2023 · Q151 Mark

Which molecules in cell surface membranes are typically involved in cell recognition?

Acholesterol (involved), glycolipids (not involved), glycoproteins (not involved), phospholipids (not involved)

Bcholesterol (involved), glycolipids (not involved), glycoproteins (involved), phospholipids (not involved)

Ccholesterol (not involved), glycolipids (involved), glycoproteins (involved), phospholipids (not involved)

Dcholesterol (not involved), glycolipids (involved), glycoproteins (not involved), phospholipids (involved)

✓ Correct answer

C: cholesterol (not involved), glycolipids (involved), glycoproteins (involved), phospholipids (not involved)

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Topic: Cell membranes and transport, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, May/June 2023 Paper 1 Variant 2, question 15.

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