Which of these statements about smooth muscle contraction is FALSE? 1.It uses ac

Question

Which of these statements about smooth muscle contraction is FALSE?

1.It uses actin and myosin crossbridges to create force

2.Contraction can occur without a change in membrane potential.

3.Calcium is required for contraction to occur

4.Troponin plays the same role as in skeletal muscle

5.All of the above correctly describe smooth muscle contraction

1.It uses actin and myosin crossbridges to create force

2.Contraction can occur without a change in membrane potential.

3.Calcium is required for contraction to occur

4.Troponin plays the same role as in skeletal muscle

5.All of the above correctly describe smooth muscle contraction

Explanation / Answer

The answer is - 4.Troponin plays the same role as in skeletal muscle.

Smooth muscle does not contain troponin.

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