A-LevelBiologyCell membranes and transport9700/12 · Oct/Nov 2025 · Q181 Mark
Which statements about the proteins and glycoproteins in cell surface membranes are correct? 1 They can allow cells to bond together to form tissues. 2 They can recognise messenger molecules like hormones. 3 They can be antigens and allow cell-to-cell recognition.
A1, 2 and 3
B1 and 2 only
C1 and 3 only
D2 and 3 only
✓ Correct answer
A: 1, 2 and 3
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