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8. Protein Function

Skeletal Muscle Anatomy

8. Protein Function

Skeletal Muscle Anatomy

Multiple Choice
In skeletal muscle sarcomeres, which protein primarily makes up the thick filaments?
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Open Question
Match the following parts of the muscle with the correct description:
a) Sarcomere. ______: voluntary muscles (i.e. triceps) that consist of muscle fascicles.
b) Myofibrils. ______: repeating units of sarcomeres.
c) Fascicles. ______: multinucleated cells that consist of a bundle of myofibrils.
d) Sarcoplasmic Reticulum. ______: membrane-bound structure found within muscle cells.
e) Skeletal Muscle. ______: complex of thin actin and thick myosin filaments.
f) Muscle Fiber. ______: a bundle of skeletal muscle fibers.
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Open Question
Correctly label each part of the sarcomere in the electron micrograph below:
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