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A-LevelBiologyImmunity9700/12 · Feb/Mar 2019 · Q381 Mark

Why does the white blood cell count increase in people with leukaemia?

AMore antibodies are required so there are more B-lymphocytes.
BMore lymphocytes are produced in bone marrow.
CMore memory cells are produced in plasma.
DMore T-lymphocytes are required to stimulate the immune system.

✓ Correct answer

B: More lymphocytes are produced in bone marrow.

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About this question

Topic
Immunity, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source
A-Level Biology, Feb/Mar 2019 Paper 1 Variant 2, question 38.

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