Myosin Binds to Actin, Forming Cross Bridges

question 9

Multiple Choice

Myosin binds to actin, forming cross bridges. What happens next?

• A) Acetylcholine is released.
• B) Calcium ions stimulate a process that leads to exposure of active sites.
• C) Filaments slide past each other and muscle fiber shortens.
• D) Myosin becomes energized.

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A form of government where power is given to individual states or entities, with a weak central authority, allowing for a loose union.

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