Cross Bridge Cycling - Chapter 9 Lecture

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4 Terms

1
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Step 1 CBC

Myosin head attaches to actin, forming a cross-bridge.

2
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Step 2 CBC

Power stroke when ADP + phosphate leaves myosin head.

3
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Step 3 CBC

Myosin detaches from actin when new ATP binds to myosin head.

4
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Step 4 CBC

Myosin head cocks back into high energy configuration when ATP is hydrolyzed to ADP.