Domanda 32 di 54
The following events occur during a reflex response to a person placing a hand on a hot object. 1. Myosin binding sites on actin filaments uncovered. 2. ADP and phosphate ion released from myosin head. 3. Sodium voltagegated channels open. 4. Myosin head detaches from binding site on actin. 5. Calcium ions released by sarcoplasmic reticulum.