Biology 9700 · AS & A Level · Control and coordination in mammals

Control and coordination in mammals — practice question

Fig. 1.1 depicts a cholinergic synapse.
(a)[4]

Complete Table 1.1, using the letters A, B, C or D from Fig. 1.1, to indicate where the compounds and structures linked with a cholinergic synapse are located. You may use A, B, C and D once, more than once, or not at all.

(b)[2]

Explain the meaning of the term voltage-gated channel.

(c)[3]

Explain the function of acetylcholinesterase in a synapse.

(d)[2]

Outline the functions of synapses in the nervous system.

Worked solution & mark scheme

This 11-mark question has a full step-by-step worked solution and mark scheme. One marking point: acetylcholine positioned at C and D

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