The striated appearance of skeletal muscle is due to the
a. regular orderly arrangement of the T tubules.
b. regular orderly arrangement of the lateral sacs of the sarcoplasmic reticulum.
c. regular orderly arrangement of the thick and thin filaments into A and I bands.
d. regular orderly arrangement of the motor units.
e. presence of white and red muscle fibers within the muscle.
C
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