Medicine
Place the events of a contraction cycle in the order in which they occur: 1. ATP hydrolysis 2. detachment of myosin head from actin, binding of ATP 3. power stroke driving sarcomere contraction, release of ADP 4. cross-bridge formation between myosin heads and actin active site AnswersO 1, 4, 3, 2 O 1, 4, 2, 3 O 1. 3, 4, 2 O 1, 3, 2, 4 O 1, 2, 3, 4