(a(i))[2]
On Fig. 7.1, use label lines and letters to identify each of the following parts: A - a region containing only actin. B - a region containing both actin and myosin.
(a(ii))[4]
Outline how an action potential reaching this neuromuscular junction can lead to depolarisation of the sarcolemma.
(b)[4]
Table 7.1 lists some of the events that take place during muscle contraction. They are not arranged in the correct order. Complete Table 7.2 so that it shows the correct order of events. Two of the events have already been completed for you.