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A-LevelBiologyImmunity9700/12 · May/June 2017 · Q401 Mark

What is the first response by the immune system to a pathogen?

Aingestion of the pathogen by phagocytes
Bproduction of antibodies
Cproduction of antigens
Dstimulation of B memory cells

✓ Correct answer

A: ingestion of the pathogen by phagocytes

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About this question

Topic
Immunity, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source
A-Level Biology, May/June 2017 Paper 1 Variant 2, question 40.

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