Two trees growing close to each other both use light, water, and the same nutrients in the soil. This relationship is best
defined as:
a. symbiosis
b. competition
c. interdependence
d. none of the above

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