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Multiple Choice
Which of the following muscle tissue components is predominantly made up of myosin?
A
Thin filaments
B
Thick filaments
C
T-tubules
D
Z discs
Verified step by step guidance
1
Understand the structure of muscle tissue, which is composed of various components including thick filaments, thin filaments, T-tubules, and Z discs.
Recognize that muscle fibers contain myofibrils, which are further divided into sarcomeres, the basic contractile units of muscle.
Identify that sarcomeres are made up of thick and thin filaments. Thick filaments are primarily composed of the protein myosin.
Differentiate between thick and thin filaments: thick filaments are made of myosin, while thin filaments are primarily composed of actin, along with troponin and tropomyosin.
Conclude that the component predominantly made up of myosin is the thick filaments, as opposed to thin filaments, T-tubules, or Z discs.