Select the correct lettered answer. ____ 1. In the dialysis bag experiment, sucrose and red dye molecules are: (a) solutes (b) solvents ____ 2. If there is no concentration gradient,

Select the correct lettered answer. ____ 1. In the dialysis bag experiment, sucrose and red dye molecules are: (a) solutes (b) solvents ____ 2. If there is no concentration gradient, a substance will not have net movement. (a) true (b) false ____ 3. Passive processes use ____ to move substances across a plasma membrane. (a) ATP (b) kinetic energy ____ 4. diffuses faster, low molecular weight compounds or high molecular weight compounds? (a) low molecular weight compounds (b) high molecular weight compounds