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    Biology A-Level

    sarcomere between Z lines

    What sarcomere between Z lines means in Biology A-Level, as defined for AQA.

    Definition of sarcomere between Z lines

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    A repeating unit of a myofibril, running from one Z line to the next, with thin actin filaments anchored at the Z lines and thick myosin filaments lying in the middle.
    AQA · Skeletal muscles are stimulated to contract by nerves and act as (study guide)

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