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3 marksImmunology

CAPE Biology Unit 2 · 2013 · Paper 2 · Question 6(b)(i)

Describe the origin and maturation of T lymphocytes.

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Other parts of this question

  1. 6(a)Comment on two major effects of cigarette smoking on the cardiovascular system of heavy smokers.[4 marks]
  2. 6(b)(ii)State three types of T-cells and outline the main function of each type.[6 marks]
  3. 6(b)(iii)With reference to HIV, explain why T-cells are sometimes unable to effectively eliminate foreign organisms.[2 marks]

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