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Communicable diseases, disease prevention and the immune system

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Question 3
85%

Which of the following is/are role(s) of cytotoxic T (T killer) cells in the cellular immune response?

  1. Production of the protein perforin, which creates pores in the cell-surface membrane of infected host cells
  2. Release of cytokines to stimulate B cells to undergo clonal expansion and differentiation
  3. Binding to foreign antigens presented on the cell-surface membrane of infected host cells
A

Only 1 and 3

B

Only 1 and 2

C

Only 2 and 3

D

1, 2 and 3

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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