Multiple Choice
Which of the following statements is FALSE?
A) When muscles contract, the actin myofilaments are pulled towards the M-lines (the center) , thus decreasing the overall sarcomere length.
B) During muscle contraction, the actual length of the actin and myosin molecules changes.
C) The sarcolemma is a specialized plasma membrane of a muscle cell.
D) A muscle cell is also called a muscle fiber.
E) Normally, skeletal muscle fibers do not contract unless they are stimulated by motor neurons.
Correct Answer:
Verified
Correct Answer:
Verified
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