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Questions and Answers
What is the bundle of several skeletal muscle fibers called?
What is the bundle of several skeletal muscle fibers called?
- Myofibril
- Muscle cell
- Fascicle (correct)
- Sarcomere
Which connective tissue surrounds each fascicle?
Which connective tissue surrounds each fascicle?
- Epimysium
- Thick myosin filament
- Endomysium
- Perimysium (correct)
What is the cell membrane surrounding skeletal muscle fibers called?
What is the cell membrane surrounding skeletal muscle fibers called?
- Sarcolemma (correct)
- Sarcomere
- Myofibril
- Myosin
Do skeletal muscle fibers contain striations?
Do skeletal muscle fibers contain striations?
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What forms the boundary ends of each sarcomere?
What forms the boundary ends of each sarcomere?
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During contraction, what filaments are grabbed and pulled toward the center of each sarcomere?
During contraction, what filaments are grabbed and pulled toward the center of each sarcomere?
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What is the thicker protein filament in muscle tissue?
What is the thicker protein filament in muscle tissue?
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Do muscle fibers stretch during muscular contraction?
Do muscle fibers stretch during muscular contraction?
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When myocytes contract, what happens to the cell shape?
When myocytes contract, what happens to the cell shape?
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Which type of muscle tissue has striations?
Which type of muscle tissue has striations?
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What type of contractions do smooth muscles exhibit?
What type of contractions do smooth muscles exhibit?
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How many nuclei do cardiac and smooth muscle cells have?
How many nuclei do cardiac and smooth muscle cells have?
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