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2 marksIrritability and Response

CSEC Biology · January 2013 · Paper 2 · Question 5(a)(ii)

Suggest how loss of nerve cells from the brain may lead to loss of memory.

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  1. 5(a)(i)With the aid of a diagram, describe how a nerve cell is adapted to carry out its function.[6 marks]
  2. 5(b)Discuss the abuse of alcohol in humans. In your answer, identify THREE effects caused by the action of alcohol on the brain, and suggest TWO social and TWO…[7 marks]

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