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Title: Why is ATP needed for muscle contraction? Post by: glisten on Apr 19, 2017 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. Title: Re: Why is ATP needed for muscle contraction? Post by: Poala on Apr 19, 2017 Content hidden
Title: Re: Why is ATP needed for muscle contraction? Post by: glisten on Jul 8, 2017 Thanks for this !
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