The latch bridge mechanism helps in which of the following in smooth muscles?
Correct Answer: Sustained contraction
Description: Latch bridge mechanism is one in which myosin cross bridges remain attached to actin for some time after cytoplasmic Ca2+ concentration falls. This causes sustained contraction with little ATP. This is of impoance in smooth muscles. Ref: Ganong's, Review of medical physiolgy, 21st Edition, Page 84
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Physiology
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