The Mechanism of Contraction in Smooth Muscle Is Different from Skeletal

question 45

Multiple Choice

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

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

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