Assignment III.2 Osmosis GIZMO
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1. Suppose you were trapped on a desert island with no sources of fresh water. Should you drink water from the ocean? Explain why or why not. NO! Because the water has salt in it and the salt will d ... ehydrate you more, so unless you know how to purify salt water, don’t drink it. 2. What do you think would happen if you watered your houseplants with salt water? The salt would probably have a bad affect on the plant and the plant would die. Gizmo Warm-up A cell membrane is a thin “skin” that surrounds a cell. It is a semipermeable membrane, which means that some particles pass through the membrane easily while others cannot. The Osmosis Gizmo™ portrays a cell (red square) in a solution of purple solute particles dissolved in green solvent particles. Press Play ( ) and observe. 1. Which particles can pass through the cell membrane? The green particles 2. Which particles cannot pass through the cell membrane? The purple particles 3. Click Reset ( ), and then click Play again. What do you notice about the size of the cell? It slowly starts to grow [Show More]
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