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Striations of muscle are due to alternating bands of dark and light. The dark band is due to the _________ myofilaments and the light band is due to _________myofilaments.

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Final answer:

The dark band in muscle striations is due to the thick (myosin) myofilaments, while the light band is due to the thin (actin) myofilaments.

Step-by-step explanation:

The dark band in muscle striations is due to the thick (myosin) myofilaments, while the light band is due to the thin (actin) myofilaments.

User Rasmus Faber
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