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4 marksSubstance Abuse

CAPE Biology Unit 2 · 2018 · Paper 2 · Question 3(a)(i)

Alcohol consumption can produce both short-term and long-term effects on the liver.

In the box provided, draw a flowchart to illustrate the stages in the detoxification of alcohol in the liver, including the enzymes and coenzyme involved.

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Other parts of this question

  1. 3(a)(ii)Explain how the metabolism of alcohol can lead to a short-term effect on the liver.[3 marks]
  2. 3(a)(iii)Describe how alcohol-induced cirrhosis occurs and its effects on the liver.[2 marks]
  3. 3(b)(i)Complete Table 2 by writing the numbers 2, 3, 4, 5 and 6 to indicate the order of the steps in the replication of HIV in host cells. Steps 1 and 7 have been…[3 marks]
  4. 3(b)(ii)Describe THREE ways by which HIV can be transmitted.[3 marks]

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