The action potential is propagated over the surface of sarcolemma and down T-tubules.
- once initiated, the action potential is unstoppable, and ultimately results in the contraction of a muscle
Calcium binds to troponin-C; troponin-C changes shape.
ATP is hydrolized to ADP and Pi, energizing myosin head to cocked position needed for next sequence.
The cycle is repeated again and again during contraction as long as calcium and ATP is available.
"StudyBlue is great for studying. I love the study guides, flashcards and quizzes. So extremely helpful for all of my classes!"Alice , Arizona State University
"I'm a student using StudyBlue, and I can 100% say that it helps me so much. Study materials for almost every subject in school are available in StudyBlue. It is so helpful for my education!"Tim , University of Florida
"StudyBlue provides way more features than other studying apps, and thus allows me to learn very quickly!??I actually feel much more comfortable taking my exams after I study with this app. It's amazing!"Jennifer , Rutgers University
"I love flashcards but carrying around physical flashcards is cumbersome and simply outdated. StudyBlue is exactly what I was looking for!"Justin , LSU