During muscle contraction, (a) sodium ions are released by the muscle cells endoplasmic reticulum. (b) calcium ions

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During muscle contraction,

(a) sodium ions are released by the muscle cell’s endoplasmic reticulum.

(b) calcium ions allow myosin heads to bind to actin.

(c) ATP causes the myosin heads to pivot, pulling on actin.

(d) actin heads repeatedly bind to myosin, pivot, release, extend, attach, and pivot again.

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Conceptual Integrated Science

ISBN: 9780321818508

2nd Edition

Authors: Paul G Hewitt, Suzanne A Lyons

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Question Posted: Apr 03, 2024 05:05 AM

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During muscle contraction, (a) sodium ions are released by the muscle cells endoplasmic reticulum. (b) calcium ions

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Conceptual Integrated Science

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