Indicate if the statements are TRUE or FALSE. ________ 11. Actin is found only in the striated fibers of cardiac and skeletal muscles. ________ 12. Slow twitch msucle fibers are more resistant to fatigue than other muscle fiber types. ________ 13. A sarcomere is the region of a myofibril that lies between two consecutive Z lines. ________ 14. An action potential in a muscle fiber is initiated by stimulation across the neuromuscular junction. ________ 15. A muscle triad consists of sarcoplasmic reticulum, a T tubule, and a terminal cisternum.
Indicate if the statements are TRUE or FALSE. ________ 11. Actin is found only in the striated fibers of cardiac and skeletal muscles. ________ 12. Slow twitch msucle fibers are more resistant to fatigue than other muscle fiber types. ________ 13. A sarcomere is the region of a myofibril that lies between two consecutive Z lines. ________ 14. An action potential in a muscle fiber is initiated by stimulation across the neuromuscular junction. ________ 15. A muscle triad consists of sarcoplasmic reticulum, a T tubule, and a terminal cisternum.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Indicate if the statements are TRUE or FALSE.
________ 11. Actin is found only in the striated fibers of cardiac and skeletal muscles.
________ 12. Slow twitch msucle fibers are more resistant to fatigue than other muscle fiber types.
________ 13. A sarcomere is the region of a myofibril that lies between two consecutive Z lines.
________ 14. An action potential in a muscle fiber is initiated by stimulation across the neuromuscular
junction.
________ 15. A muscle triad consists of sarcoplasmic reticulum, a T tubule, and a terminal cisternum.
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