Multiple Choice
What is the letter associated with the dark bands in a sarcomere?
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9. Muscle Tissue
Sliding Filament Theory and the Sacromere
Back9. Muscle Tissue
Sliding Filament Theory and the Sacromere
- Multiple ChoiceIn the sliding filament theory, what substance causes the actin filament to change shape, allowing myosin to bind?65views
- Multiple ChoiceWhat is the main component of thin filaments in the sarcomere?74views
- Multiple ChoiceWhat generates the force that shortens the sarcomeres to bring about muscle contraction?67views
- Multiple ChoiceAccording to the sliding filament model, binding sites on actin open when which of the following occurs?21views
- Multiple ChoiceWhich of the following proteins makes up the thick filament of the sarcomeres?63views
- Multiple ChoiceThin filaments are composed of how many strands of fibrous actin?67views
- Multiple ChoiceWhich two proteins slide past each other in the sliding filament theory of muscle contraction?60views
- Multiple ChoiceWhat is the area in the center of the A band where there are no actin myofilaments?68views
- Multiple ChoiceWhat is the consequence if the myosin heads cannot bind to the actin during muscle contraction?76views
- Multiple ChoiceWhich of the following regions of a sarcomere contain thin filaments?64views
- Multiple ChoiceWhich of the following is most directly required to initiate the coupling of myosin to actin in the sliding filament theory?56views
- Multiple ChoiceWhat is the role of calcium in the cross-bridge cycle during muscle contraction?109views
- Multiple ChoiceWhich of the following best describes the term 'Z line' in the context of the sliding filament theory and the sarcomere?16views
- Multiple ChoiceIn the sliding filament theory, what causes the myosin head to disconnect from actin?77views