Which of the following water samples has the highest density? *
a sample with 3.5 g of salt per 100 g of water
a sample with 15 g of salt per 100 g of water

a sample with 20 g of salt per 100 g of water
a sample with 35 g of salt per 100 g of water

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