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4 marksImmunology

CAPE Biology Unit 2 · 2011 · Paper 2 · Question 6(a)(i)

When the human body is invaded by a foreign organism it responds by identifying and destroying it via cell-mediated and humoral responses.

Distinguish between 'cell-mediated' and 'humoral immune' responses.

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Other parts of this question

  1. 6(a)(ii)Explain the immunological process responsible for Kayla not becoming ill when caring for a baby with measles ten years after her own initial infection.[4 marks]
  2. 6(b)(i)Distinguish between physical and psychological dependence on drugs.[4 marks]
  3. 6(b)(ii)Explain THREE possible effects of long-term consumption of half a litre of rum daily on the nervous system.[3 marks]

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