Bundles of fine fibers that extend lengthwise along muscle fibers are called:
A) myofibrils.
B) myofilaments.
C) striae.
D) sarcoplasmic reticulum.
Correct Answer:
Verified
Q1: Which of the following is not one
Q3: The plasma membrane of a muscle fiber
Q4: The chief function of the T-tubules is
Q5: The protein molecule that has heads jutting
Q6: A motor unit is most correctly described
Q7: The ability of muscle cells to respond
Q8: The neurotransmitter(s)secreted at the motor end plates
Q9: The first event to occur in muscle
Q10: Most body movements are _ contractions.
A) isotonic
B)
Q11: White fibers are also called _ fibers.
A)
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