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A-LevelBiologyImmunity9700/12 · Oct/Nov 2025 · Q391 Mark

Which molecule could be a self antigen?

Aviral capsid protein
Bphospholipid in a viral envelope
Ctoxin released by a pathogen
Dglycoprotein on the surface of a macrophage

✓ Correct answer

D: glycoprotein on the surface of a macrophage

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About this question

Topic
Immunity, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source
A-Level Biology, Oct/Nov 2025 Paper 1 Variant 2, question 39.

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