A-LevelBiologyImmunity9700/12 · May/June 2015 · Q361 Mark
Which action is taken by a B-lymphocyte activated by an antigen?
AIt attaches to the infected cell displaying the antigen and destroys it.
BIt divides repeatedly to form a clone of genetically identical plasma cells.
CIt engulfs the infected body cell which displays the antigen.
DIt secretes cytokines which stimulate T-lymphocytes to produce plasma cells.
✓ Correct answer
B: It divides repeatedly to form a clone of genetically identical plasma cells.
Practise more questions on this topic
Oracle Prep sorts past-paper questions by topic, so you can drill Immunity and see which topics are most likely to come up next.
Sign up free →