The Power Stroke Corresponds to Which Event in Muscle Contraction

question 75

Multiple Choice

The power stroke corresponds to which event in muscle contraction?

• A)detachment of myosin from actin
• B)sliding of actin relative to myosin filaments
• C)cocking of the myosin head
• D)binding of the myosin head to actin

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Definitions:

Conscious Experience

The awareness of one's thoughts, feelings, and surroundings, which constitutes the essence of consciousness.

Physiology

The branch of biology that studies the functions and mechanisms occurring in living organisms.

Introspection

The examination or observation of one's own mental and emotional processes.

Consciousness

The state of being aware of and able to think about oneself, one's surroundings, and one's thoughts and feelings.