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Questions and Answers
What is the major constituent of thin filaments in muscle cells?
What is the major constituent of thin filaments in muscle cells?
- Actin (correct)
- Myosin
- Tropomyosin
- Troponin
What type of muscle contractions are neurogenic in vertebrates?
What type of muscle contractions are neurogenic in vertebrates?
- Isometric muscle contractions
- Smooth muscle contractions
- Skeletal muscle contractions (correct)
- Cardiac muscle contractions
What happens after the termination of muscle contraction?
What happens after the termination of muscle contraction?
- Muscle relaxation occurs (correct)
- Muscle shortening occurs
- Muscle tension increases
- Muscle fatigue sets in
What is the basic functional organelle in the skeletal muscle system?
What is the basic functional organelle in the skeletal muscle system?
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What type of muscle contraction can be described depending on the frequency of action potentials?
What type of muscle contraction can be described depending on the frequency of action potentials?
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