After the power-stroke, the myosin heads must bind ______ in order to release actin. The muscles become very stiff (known as rigor mortis) after death because the cells run out of _____. "   A calcium; calcium   B troponin; troponin   C tropomyosin; tropomyosin   D sodium; sodium   E ATP; ATP

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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After the power-stroke, the myosin heads must bind ______ in order to release actin. The muscles become very stiff (known as rigor mortis) after death because the cells run out of _____. "
  A
calcium; calcium
  B
troponin; troponin
  C
tropomyosin; tropomyosin
  D
sodium; sodium
  E
ATP; ATP

 

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