A-LevelBiologyImmunity9700/12 · May/June 2025 · Q311 Mark
The diagrams show three types of blood cells, which are all drawn to the same scale. [Figure 31.1 (diagrams of three blood cells X, Y, Z, with nuclei labelled)] Which row shows the characteristics of the cells?
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Aname of blood cell X: monocyte, engulfs pathogens by endocytosis: Y, each responds to one antigen: Z
Bname of blood cell X: monocyte, engulfs pathogens by endocytosis: Z, each responds to one antigen: Y
Cname of blood cell X: lymphocyte, engulfs pathogens by endocytosis: Y, each responds to one antigen: Z
Dname of blood cell X: lymphocyte, engulfs pathogens by endocytosis: Z, each responds to one antigen: Y
✓ Correct answer
B: name of blood cell X: monocyte, engulfs pathogens by endocytosis: Z, each responds to one antigen: Y
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