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Questions and Answers
Which molecules are responsible for generating force in all three muscle types?
Which molecules are responsible for generating force in all three muscle types?
- Action potential and muscle cell membrane
- Actin and myosin (correct)
- Ca2+ and ATP
- Sarcoplasmic reticulum and sarcoplasm
What does the term 'excitation-contraction coupling' refer to in skeletal muscles?
What does the term 'excitation-contraction coupling' refer to in skeletal muscles?
- The release of Ca2+ from the sarcoplasmic reticulum (correct)
- The generation of an action potential
- The interaction of actin and myosin molecules
- The contraction of the muscle
What is required for the process of generating force in all three muscle types?
What is required for the process of generating force in all three muscle types?
- Release of Ca2+ from the sarcoplasmic reticulum
- Generation of an action potential
- Interaction of actin and myosin molecules
- Elevation of intracellular Ca2+ concentration and ATP (correct)
