cross bridges are found on actin or myosin

Cross bridges are essential structural and functional components of cells that connect the actin cytoskeleton with the myosin cytoskeleton. They play a crucial role in cell shape maintenance, cell contractility, and cellular signaling.

binding sites for cross bridges are located on

"Locating the Binding Sites for Cross Bridges"Bonds are the fundamental building blocks of molecules, and their structure and properties determine the properties of the material.