The Mechanism of Contraction in Smooth Muscle Is Different from Skeletal

question 46

Multiple Choice

The mechanism of contraction in smooth muscle is different from skeletal muscle in that _.

• A)the site of calcium regulation differs
• B)the trigger for contraction is a rise in intracellular calcium
• C)actin and myosin interact by the sliding filament mechanism
• D)ATP energizes the sliding process

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