Question

the axon terminals of a nerve cell and the sarcolemma of a skeletal muscle cell join at the: motor unit action potential synaptic cleft neuromuscular junction myofibril question 8 1 pts the contractile proteins that are located in myofibrils are called troponin and tropomyosin. true false question 9 1 pts

Explanation:

The axon terminals of a nerve cell and the sarcolemma of a skeletal - muscle cell join at the neuromuscular junction. Troponin and tropomyosin are regulatory proteins in myofibrils, not contractile proteins (the contractile proteins are actin and myosin).

Answer:

Question 7: D. neuromuscular junction
Question 8: False