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Tropomyosin Found Actin Filaments Helps Myofilaments Move Past

Tropomyosin is a protein associated with actin filaments that aids in myofilament movement during contraction.

Tropomyosin is a protein found along actin filaments that helps regulate the interaction between actin and myosin during muscle contraction.

Front tropomyosin
Back found between actin filaments and it helps myofilaments move past each other

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