Which list represents the hierarchy of muscle structure from the largest unit to the smallest?

a. muscle fiber ? myofibril ? sarcomere ? filaments
b. myofibril ? muscle fiber ? sarcomere ? filaments
c. sarcomere ? myofibril ? filaments ? muscle fiber
d. muscle fiber ? sarcomere ? myofibril ? filaments
e. muscle fiber ? filaments ? myofibril ? sarcomere


ANSWER: a

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