1) If a solution is being described as hypertonic, what must be true? a) It has a low concentration of solutes. b) It has a high concentration of solutes. c) It has a lower concentration of solutes when compared to another solution. d) It has a higher concentration of solutes when compared to another solution. 2) If two solutions are separated by a semi-permeable membrane, one hypertonic and the other hypotonic, what will happen? a) Nothing, the membrane prevents diffusion from one side to the other. b) The two solutions will mix completely, becoming isotonic. c) The water from the hypotonic side will diffuse into the hypertonic side, until the solutions become isotonic. d) The water from the hypertonic side will diffuse into the hypotonic side, until the solutions become isotonic. 3) Which of the following statements regarding red blood cells is true? a) Ideally, whole blood should be isotonic when compared to the solution within red blood cells. b) If a red blood cell was placed into a hypertonic solution, the water from inside the red blood cell would diffuse out, causing it to shrivel. c) If a red blood cell was placed into a hypotonic solution, the water from outside the red blood cell would diffuse in, causing it to swell and potentially burst. d) All of the above. 4) If the suffix ‘-ase’ is noted at the end of a word, such as ATPase, what does this tell us? a) The named substance is a protein. b) The named substance is an enzyme. c) The named substance is polar. d) The named substance is non-polar.

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