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If a muscle fiber were to suddenly and permanently stop producing ATP the fiber would...

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Biology

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If a muscle fiber were to suddenly and permanently stop producing ATP the fiber would no longer be able to actively transport calcium out of the cytoplasm (sarcoplasm) and the intracellular calcium concentrationwould rise. Which of the following would you expect to happen?No change would occur in a muscle that was relaxed to begin with.Calcium would be transported to the sarcoplasmic reticulum therefore contractions would cease.The fiber would twitch uncontrollably due to excessive calcium bound to troponin.Myosin would be able to bind to the exposed binding sites on thin filaments but it would not be able to detach.

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