Question: 5 Pts Question 3 Another Action Potential Is Generated In The Muscle Fiber To Initiate The Events Of Muscle Contraction. On The Motor End Plate Of The Muscle Fiber. 6. The Signaling Molecule From #5 Binds To Ions To Move Into The Muscle Fiber. 7. This Causes Channels To Open And Allows Many 8. The Movement Of These Ions Into The Cell Causes The Sarcolemma …
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5 pts Question 3 Another action potential is generated in the muscle fiber to initiate the events of muscle contraction. on the motor end plate of the muscle fiber. 6. The signaling molecule from #5 binds to ions to move into the muscle fiber. 7. This causes channels to open and allows many 8. The movement of these ions into the cell causes the sarcolemma (plasma membrane) to become 9. The action potential travels along the sarcolemma and is carried into the sarcoplasmic reticulum via the transverse (T) tubules. lons. As the action potential enters the Sarcoplasmic reticulum, it causes the release of Question 4 6 pts The ions that are released from the sarcoplasmic reticulum trigger the events that allow myofilaments to interact, resulting in muscle contraction. 10. The lons (from question 8) bind to the protein which changes shape to uncover binding sites on the filament filament to bind and form cross-bridges. 11. The exposed binding sites allow the heads on the 12. The myofilaments are able to interact with each other by using energy from a special molecule called 13. As the myofilaments interact and use energy. what will happen to the sarcomere? Does it get longer or shorter?
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