Which represents a similarity between fast- and slow-twitch muscle fibers?
A) Number of mitochondria
B) Amount of myoglobin
C) Activity of glycolytic enzymes
D) Number of neuromuscular junctions
E) Number of blood vessels

Question

Quizplus · Accepted Answer

Both fast- and slow-twitch muscle fibers have neuromuscular junctions, which are the sites where motor neurons connect to muscle fibers to transmit signals for muscle contraction.

Which Represents a Similarity Between Fast- and Slow-Twitch Muscle Fibers