Multiple ChoiceIn the context of the sliding filament theory, what is the H band of the sarcomere?67views
Multiple ChoiceWhat is released when myosin heads attach to actin filaments during muscle contraction according to the sliding filament theory?81views
Multiple ChoiceWhat causes the myosin head to release its attachment to actin during muscle contraction?78views
Multiple ChoiceThe interaction between which protein and ion initiates muscle contraction according to the sliding filament theory?60views
Multiple ChoiceIn the context of the sliding filament theory, how do myosin and actin interact with each other during muscle contraction?69views
Multiple ChoiceDuring the sliding filament theory, when does the myosin head cock back to store energy for the next cycle?65views
Multiple ChoiceWhich of the following events will not occur within the sarcomeres of a contracting muscle fiber?72views
Multiple ChoiceWhich statement correctly describes changes in a skeletal muscle cell during muscle contraction?71views
Multiple ChoiceIn the sliding filament theory, what happens to the thick and thin filaments during muscle contraction?69views
Multiple ChoiceIn the context of the sliding filament theory, which structure releases calcium into the sarcoplasm to initiate muscle contraction?61views