Multiple Choice
In the context of muscle contractions, what is the name of the cell membrane of a muscle fiber?
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15. Cytoskeleton and Cell Movement
Muscle Contractions
Multiple Choice
In the context of muscle contractions, what is another name for a skeletal muscle cell?
A
Myofilament
B
Myofibril
C
Muscle fiber
D
Sarcomere
Verified step by step guidance1
Understand that skeletal muscle cells have a specific name that reflects their structure and function in muscle tissue.
Recall that skeletal muscle cells are long, cylindrical, multinucleated cells specialized for contraction.
Recognize that the term 'muscle fiber' is commonly used as another name for a skeletal muscle cell because these cells appear as fibers under a microscope.
Differentiate 'muscle fiber' from other related terms: 'myofilament' refers to the protein filaments (actin and myosin), 'myofibril' is a bundle of myofilaments within the muscle cell, and 'sarcomere' is the functional contractile unit within a myofibril.
Conclude that the correct alternative name for a skeletal muscle cell is 'muscle fiber' based on its cellular structure and terminology.
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