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5 marksImmunology

CAPE Biology Unit 2 · May/June 2022 · Paper 2 · Question 3(b)(iv)

Measles is a highly contagious disease that can cause death mainly in children. A vaccine is available for measles and is given in the form of a triple vaccine – MMR (measles, mumps and rubella).

Construct an annotated flow chart to explain how the vaccination of children with the MMR vaccine can provide immunity.

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Other parts of this question

  1. 3(a)(i)On the grid provided on page 17, plot a bar chart based on the data provided in Table 1.[5 marks]
  2. 3(a)(ii)State ONE conclusion that can be made based on the data provided in Table 1.[1 mark]
  3. 3(b)(i)Define the following terms. Active immunity, Passive immunity.[4 marks]
  4. 3(b)(ii)Name ONE example of EACH of the following types of immunity. Natural active, Natural passive, Artificial active, Artificial passive.[4 marks]
  5. 3(b)(iii)Describe the role of vaccination in providing immunity.[2 marks]
  6. 3(c)(i)Relate THREE features of T-cells to their role in the various stages of CAR T-cell immunotherapy.[9 marks]

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