Question

The motor unit in vertebrate skeletal muscle refers to

• A. one myofibril and all its sarcomeres
• B. one sarcomere and all of the muscle fibres on which it synapses
• C. one motorneuron and all of the muscle fibres on which it synapses
• D. one actin binding site and its myosin partner

Answer 1

Answer: (C)

Correct answer is (c) one motorneuron and all of the muscle fibres on which it synapses