All of the energy that drives earth’s rock cycle comes from
1 movement of water over earth’s surface
2 the wind
3 the breakdown of organic matter
4 earth’s interior and the sun

Do the following statements describe actin, myosin, both of the proteins or neither of the proteins? (a) contains a binding site for calcium (b) found in the i band (c) exists in a globular (g) form and a filamentous (f) form (d) contains a binding site for atp (e) is a component of the thin filament (f) is a component of the thick filament