A-LevelBiologyImmunity9700/12 · Feb/Mar 2017 · Q391 Mark

Which of the statements could describe both B-lymphocytes and T-lymphocytes? 1 They contain specific protein receptors in their cell surface membranes. 2 They differentiate into plasma cells. 3 They divide by mitosis.

A1 and 3

B1 only

C2 and 3

D2 only

✓ Correct answer

A: 1 and 3

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