Figure 7-1 Structural Components of a Skeletal Muscle Fiber

question 96

Multiple Choice

Figure 7-1 Structural Components of a Skeletal Muscle Fiber
Use Figure 7-1 to identify the labeled part.
-Structure I is composed of

• A) actin and perimysium.
• B) actin and myosin.
• C) troponin and tropomyosin.
• D) only myosin heads.
• E) acetylcholine and cholinesterase.

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