:Chap 9 Muscle AP and Contraction; Interference with muscle contraction 4of22 Pe

Question

:Chap 9 Muscle AP and Contraction; Interference with muscle contraction 4of22 Periodic Table PartA action potentials bind to Using no more than 11 propositions, create a Concept Map to describe how electrical events at the neuromuscular junction result in the mechanical process of skeletal muscle fiber contraction. directly trigger the calcium channels on SR Launch Concept Map 0peringof calcium ions directly trigger proteins that open undergo a that permits when open, increase the -voltage-sensitive tubule Submit cross bridge cydles Part B This question willbe shown after you complete previous question(s). Part C This question will be shown after you complete previous question(s). Part D This question will be shown after you complete previous question(s) Part E This question wil be shown after you complete previous queston(s) conformational change effiux of sodium channels when open, increase the influx of question wililbe shown after you complete previous questionts sodium ions when open, permit sarcoplasmic release of Provide Feadback Next >

Explanation / Answer

(Sodium channels --> when open increase the influx of --> sodium ions ,

potassium channels --> when open increase the efflux of --> potassium ions.) ---> action potential -->

Calcium ions ---> bind to ---> calcium channel on SR --> directly trigger tubular protein --->

When open permit sarcoplasmic release of --->

Calcium ions --->

Troponin-tropomyosin complex breaks --->

Undergo conformational change that permits --->

Cross bridges cycles

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