Which of the following is NOT true of the latch state of smooth muscle contraction?
A. Myosin phosphatase removes the phosphate group from myosin.
B. It explains why smooth muscle can sustain tension for long periods of time.
C. It occurs when the phosphate is removed while the cross-bridges are attached to actin.
D. It occurs when the phosphate is removed while the cross-bridges are not attached to actin.
E. It allows contraction without a large energy expenditure.
