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2 marksNervous Co-ordination

CAPE Biology Unit 2 · 2004 · Paper 2 · Question 7(a)(i)

Structure and function of neurons, synaptic transmission, and effects of drugs.

Distinguish between a motor and a sensory neuron.

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  1. 7(a)(ii)Describe the specialised structures AND the functions of the parts of a neuron.[8 marks]
  2. 7(b)Cocaine blocks the re-uptake of the neurotransmitter dopamine into the pre-synaptic neuron. Acetylcholine is the only neurotransmitter released at the synapses…[5 marks]
  3. 7(c)Compare the transmission of an action potential along a myelinated neuron with transmission along an un-myelinated neuron.[5 marks]

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