During a Cross-Bridge Cycle in Skeletal Muscle

question 118

Multiple Choice

During a cross-bridge cycle in skeletal muscle,

• A)the cross bridge is energized when it splits ATP into ADP and P
• B)the cross bridge must bind with ATPase before a power stroke will occur
• C)Ca₂₊ causes tropomyosin to move off of the myosin's actin-binding sites
• D)ADP binds to the cross bridge at the end of the power stroke
• E)both a and b occur

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Definitions:

Intellectual

Relating to the intellect or involving the ability to think and understand at a high level of complexity.

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Characterized by mutual exchange or influence, in which actions or emotions are mirrored or returned by others.

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The stage in child language development involving the production of repetitive syllables and sounds, a key precursor to language acquisition.