QUIZ 1. In biological systems, which molecule is most able to undergo osmosis? a. Sodium b. Glucose c. CO2 d. Water 2. What is most likely to be permeable across the cell membrane of the animal cell? a. Lipids b. Glucose c. Sodium d. Amino acids 3. What is the driving force behind simple diffusion? a. The permeability of the membrane b. The concentration gradient c. The energy substrate used to drive diffusion d. The type of solute involved 4. What molecule passes through the cell membrane via simple diffusion rather than facilitated diffusion? a. Oxygen b. Glucose c. Sodium d. Chloride
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