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Home Q & A Board Biology-Related Homework Help Cell Biology
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glisten glisten
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7 years ago
Why is ATP needed for muscle contraction?
A) It causes calcium to bind to troponin.
B) Myosin must contact the actin filament and move to pull it toward the midline of the sarcomere.
C) It causes tropomyosin to slide off the myosin-binding sites of actin.
D) It's needed for calcium release from the sarcoplasmic reticulum.
Textbook 
Biology of Humans: Concepts, Applications, and Issues

Biology of Humans: Concepts, Applications, and Issues


Edition: 5th
Authors:
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PoalaPoala
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glisten Author
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#2
7 years ago
Thanks for this !
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