Question

The cross bridge cycle is a series of molecular events that occur after excitation of the sarcolemma. what is a cross bridge? hints the cross bridge cycle is a series of molecular events that occur after excitation of the sarcolemma. what is a cross bridge? a myosin head bound to actin atp bound to a myosin head troponin bound to tropomyosin calcium bound to troponin

Answer 1

As hinted in the question, the cross bridge cycle is a series of molecular events that occur after excitation of the sarcolemma. A cross bridge is formed when a myosin head bound to actin. The cross bridge cycle depends on the presence of calcium ions