Which of the following is FALSE regarding skeletal muscle fibers (cells) ?
A) Each fiber is a single cell with a hundred or more nuclei.
B) The cells are cylindrical and are arranged in parallel fashion.
C) A skeletal muscle fiber may be up to 30 cm (12 in.) long.
D) The myofibrils are arranged at right angles to the long axis of the cell, creating cross striations.
Correct Answer:
Verified
Q13: During contraction in a skeletal muscle fiber:
A)
Q14: A bundle (fascicle) of skeletal muscle fibers
Q15: One sarcomere contains all of the following
Q16: As skeletal muscle ages, after age 30,
Q17: The skeletal muscle fibers that fatigue most
Q19: An increase (hypertrophy) or decrease (atrophy) in
Q20: The close association of a transverse (T)
Q21: The neurotransmitter released at a neuromuscular junction
Q22: Cardiac muscle fibers (cells) contain more mitochondria
Q23: The specialized region of sarcolemma that is
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