(a)[3]
Complete the table by using the letters M, S or B to show whether each statement applies only to motor neurones (M), only to sensory neurones (S), or to both motor and sensory neurones (B).
(ii)[3]
Explain why aerobic respiration can produce more ATP from one gram of glucose.
(b)[5]
A synapse is the junction linking two or more neurones. Describe how an action potential reaching the presynaptic membrane of a neurone can cause the membrane of the post-synaptic neurone to depolarise.
(c)[2]
Acetylcholinesterase is an enzyme located in the synaptic cleft. Outline the function of acetylcholinesterase.