6 steps of cross bridge cycling in order Flashcards
1
Q
1
A
influx of calcium, triggering the exposure of binding sites on actin
2
Q
2
A
the binding of myosin to actin
3
Q
3
A
the power stroke of the myosin head that causes the sliding of the thin filament
4
Q
4
A
the binding of ATP to the myosin head, which results in the myosin head disconnecting from the actin
5
Q
5
A
the hydrolysis of ATP, which leads to the re-energizing and repositioning of the myosin head
6
Q
6
A
the transport of calcium ions back into the sarcoplasmic reticulum
