Muscle fibers are made up of which protein?
A) myosin
B) actin
C) calcitonin
D) both myosin and actin
E) both myosin and calcitonin

Name: Muscle fibers are made up of which protein? A) myosin B) actin C) calcitonin D) both myosin and actin E) both myosin and calcitonin
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Question

Quizplus · Accepted Answer

Muscle fibers are made up of both myosin and actin proteins. Myosin is a thick protein filament, while actin is a thin protein filament. These two proteins work together during muscle contraction and relaxation.

Muscle Fibers Are Made Up of Which Protein