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Questions and Answers
Which protein is responsible for moving tropomyosin off and exposing binding sites for cross bridge formation and force generation?
Which protein is responsible for moving tropomyosin off and exposing binding sites for cross bridge formation and force generation?
- Tropomyosin
- Nebulin
- Titin
- Troponin (correct)
Which structure surrounds myofibrils and is responsible for the storage, release, and uptake of calcium ions?
Which structure surrounds myofibrils and is responsible for the storage, release, and uptake of calcium ions?
- Endomysium
- Sarcoplasmic reticulum (correct)
- T-tubule
- Epimysium
What type of muscle fiber differentiation occurs after birth?
What type of muscle fiber differentiation occurs after birth?
- Hyperplasia
- Excitability
- Elasticity
- Hypertrophy (correct)
What is the function of titin in a sarcomere?
What is the function of titin in a sarcomere?
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What is the main component of the regulatory proteins in a sarcomere?
What is the main component of the regulatory proteins in a sarcomere?
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