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Communicable diseases, disease prevention and the immune system

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Question 7

Which of the following is/are role(s) of memory B lymphocytes in the secondary immune response?

  1. Rapid clonal selection and differentiation into antibody-secreting plasma cells
  2. Direct destruction of infected host cells by releasing perforin to make holes in their cell-surface membrane
  3. Remaining in the blood and lymphatic systems long-term to provide immunological memory
A

1, 2 and 3

B

Only 1 and 2

C

Only 1 and 3

D

Only 1

Markscheme

Communicable diseases, disease prevention and the immune system Questions

  1. A Level
  2. /Biology
  3. /Communicable diseases, disease prevention and the immune system

40 exam-style questions on OCR A A Level Biology Communicable diseases, disease prevention and the immune system. Each one has a worked solution and a mark scheme showing where the marks go.

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