ATP-Powered Cross-Bridge Cycling Flashcards
1
Q
A myosin cross bridge has two special sites:
A
Actin-binding site
ATPase site
2
Q
The breakdown of ______ occurs on the myosin cross-bridge _____ the bridge _____________
A
ATP
before
ever links with an actin molecule
3
Q
released from the cross bridge during the power stroke.
A
Pi
4
Q
ADP is released
A
After the power stroke is complete
5
Q
The actin and myosin remain linked at the cross-bridge until…
A
a fresh molecule of ATP attaches to myosin at the end of the power stroke.
6
Q
A
7
Q
A
