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Remembering that a cycle can start at any step, select the correct order of the following steps in the myosin-actin cross bridge cycle:
ATP hydrolysis and rotation of the myosin head
ATP binding to the myosin head to release the myosin head from the actin filament
release of ADP from the myosin head
binding of the myosin head to the actin filament
release of phosphate and the power stroke
1 - 2 - 3 - 4 - 5
3 - 5 - 4 - 2 - 1
1 - 2 - 5 - 4 - 3
2 - 4 - 1 - 3 - 5
3 - 2 - 1 - 4 - 5

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ATP often transport via different steps. The myosin-actin cross bridge cycle steps are 2 - 4 - 1 - 3 - 5. They are:

3. The release of ADP from the myosin head

2. ATP binding to the myosin head to release the myosin head from the actin filament

1. ATP hydrolysis and rotation of the myosin head

4. Binding of the myosin head to the actin filament.

5. Release of phosphate and the power stroke.

ATP is known to often binds to myosin, taking the myosin to its high-energy state. Thereafter, it releases the myosin head from the actin active site.

ATP is then again attach to myosin, which gives room for the cross-bridge cycle to start again;

Some types of myosin species often transport themselves at their own velocities, and these velocities are said to be proportional to actin-activated ATPase activities.

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