Which one of the following is composed mostly of the protein myosin?
A) thick filaments
B) thin filaments
C) all myofilaments
D) Z discs
E) light bands

Name: Which one of the following is composed mostly of the protein myosin? A) thick filaments B) thin filaments C) all myofilaments D) Z discs E) light bands
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Question

Quizplus · Accepted Answer

Thick filaments are primarily composed of the protein myosin, while thin filaments are primarily composed of the proteins actin, troponin, and tropomyosin. Therefore, choice A is the best answer.

Which One of the Following Is Composed Mostly of the Protein