Question

A sarcomere is best described as
a) movable structural unit within a myofibril bounded by H zones
b) fixed structural unit within a myofibril bounded by Z lines
c) fixed structural unit within a myofibril bounded by A bands
d) movable structural unit within a myofibril bounded by Z lines
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Answer 1

Answer:

(a)

this is ur answer.....

Answer 2

Answer:

d)

Explanation: