Which best describes radiometric dating? a: measures the amount of radioactive materials in a sample. b: measures the breakdown of radioactive materials in a sample. c: measures the accumulation of radiometric materials in a sample. d: measures radiometrics.

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