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Question 25

From Biology HL Paper 1A (May 2025, TZ2)

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  1. The diagram shows a contracted sarcomere. Which part will vary in length in response to relaxation of a muscle?
Diagram of a contracted sarcomere with parts labeled A, B, C, and D, illustrating the structure of muscle contraction.
Diagram of a contracted sarcomere with parts labeled A, B, C, and D, illustrating the structure of muscle contraction.

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