Sarcoplasm is the
A) plasma membrane of a muscle fiber.
B) cytoplasm of a muscle fiber.
C) structural and functional unit of the skeletal muscle fiber.
D) contractile thread that extends the length of the muscle fiber.
E) protein strand composed of actin or myosin.
Correct Answer:
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Q38: Which of the following is composed of
Q39: Skeletal muscle develops from cells called
A) fascicles.
B)
Q40: A sarcomere extends from
A) one Z disk
Q41: Which of the following statements regarding the
Q42: In which of the following situations does
Q44: Which of the following changes have the
Q45: The electrical properties of cells are the
Q46: The model that describes the contraction of
Q47: A myofibril is the
A) plasma membrane of
Q48: A stimulus either causes an action potential
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