Instructions

V. What process uses energy to move a substance from an area of low concentration to an area of high concentration? A. B. facilitated diffusion B. pinocytosis C. osmosis D. active transport hich process imports liquid and very small particles into cells? A. pinocytosis B. facilitated transport C. phagocytosis 32. W D. exocytosis 33. Some cells use. vacuoles to maintain osmotic balance in hypotonic environment. in which water is ejected through contractile A. Extrusion B. Osmoregulation C. Turgor Pressure D. Osmotic pressure 34. How do ions cross membrane? A. Easily, go straight through bilayer B. Crosses at the next level C. By going through the protein D. None of the above 35. How do non-polar substances cross membrane? A. Easily, go straight through bilayer B. Crosses at the next level C. By going through the protein D. None of the above 36. Which of the following is a correct difference between active transport and facilitated diffusion? A. Active tra B. Active transport involves transport proteins, and facilitated diffusion does not C. Facilitated diffusion can move solutes against a concentration gradient, and nsport requires energy from ATP, and facilitated diffusion does not. active transport cannot. D. Active transport can move solutes in either direction across a membrane, bu facilitated diffusion can only move in one direction.

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