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Refer to the Diagram of a Sarcomere Below

question 24

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Refer to the diagram of a sarcomere below.Which statement based on the diagram is true? Refer to the diagram of a sarcomere below.Which statement based on the diagram is true?   A)  The structure 1 consists of two chains made of monomers. B)  The structure 1 shortens in length as contraction occurs. C)  The structure 2 has a head that hydrolyzes ATP. D)  The zone labeled 3 shortens in length as contraction occurs. E)  The unit labeled 4 maintains a constant length as contraction occurs.


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