(a)[3]
Complete the table by using the letters M, S or B to show whether each statement applies to motor neurones only (M), sensory neurones only (S), or to both motor and sensory neurones (B).
((ii))[3]
Explain why aerobic respiration is able to synthesise more ATP from one gram of glucose.
(b)[5]
A synapse is a junction between two or more neurones. Describe how an action potential arriving at the presynaptic membrane of a neurone causes depolarisation of the postsynaptic neurone’s membrane.
(c)[2]
Acetylcholinesterase is an enzyme located in the synaptic cleft. Outline the role of acetylcholinesterase.