Biology 9700 · AS & A Level · The immune system

The immune system — practice question

If a body cell becomes infected by a pathogen, which option gives a correct immune response?

  • AKiller T cells punch holes in infected cells, releasing antibodies.
  • BKiller T cells release cytokines, infected body cells release antibodies.
  • CMemory cells release antibodies, killer T cells secrete cytokines.
  • DT helper cells release cytokines, plasma cells release antibodies.

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