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

A cross bridge cycle occurs when actin (A) combines with myosin (M) and ATP to produce force, adenosine diphosphate (ADP) and inorganic phosphate (Pi). The cross bridge cycle is a series of molecular events that occur after excitation of the sarcolemma.

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during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.