1) Give examples of substances able to pass through phospholipid bilayer? a) Ions, glucose, amino acids b) Fatty acids, glycerol, Oxygen, Carbon Dioxide, Water c) ATP  d) Ions K+, Na+ 2) The plasma membrane is selectively permeable. This means: a) It allows all molecules to pass through. b) It does not allow any molecules to pass through. c) It only allows large molecules to enter the cell. d) It allows some substances can move across the plasma membrane freely while others cannot 3) The movement of substances across a plasma membrane occurs through? a) Passive and Active Transport b) Digestion c) Photosynthesis d) diffusion  4) Which of the following statements about diffusion is correct? a) Diffusion requires energy (ATP) b) Diffusion occurs along the concentration gradient c) Diffusion occurs from low to high concentration. d) Diffusion only occurs in liquids 5) Osmosis is the movement of: a) Solute molecules through a membrane. b) Water molecules from a region of low solute concentration to high solute concentration c) Water molecules from high solute concentration to low solute concentration. d) Any molecule across the membrane. 6) Which transport process requires energy (ATP)? a) Simple diffusion b) Facilitated diffusion c) Osmosis d) Active transport

POP QUIZ CHAPTER 3

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