Diffusion and Osmosis
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | - Sources of energy - all required elements - oxygen for aerobic organisms - any cofactor that cannot synthesize (vitamins)
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| show | - sugar - reduced organic compound- convert to ATP
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| What by-products of metabolism must a cell release? | show 🗑
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| show | become toxic to cell
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| show | cell must maintain stable internal conditions
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| Cell working with or against mechanisms of: | show 🗑
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| show | substances move from an area of high concentration to an area of lower concentration
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| show | molecules are in a state of constant motion due to the heat energy imparted to them
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| show | random
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| show | Velocity
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| show | directly proportional to the absolute temperature in degrees Kelvin and inversely proportional to the square root of its molecular weight
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| Distance that molecules move without encountering other molecules depends on? | show 🗑
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| What is a concentration gradient | show 🗑
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| show | -special case of diffusion -involves the passage of water through a selectively permeable membrane
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| Selectively permeable membrane | show 🗑
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| show | water moves in the cell where there's less water, cell swells
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| Hypertonic | show 🗑
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| show | Amount of water that will diffuse -as water moves into the cell, the pressure in the cell increases until the water ceases to enter
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| show | osmotic pressure of both sides of a semipermeable membrane is equal -no change in cell shape or size
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| Nonpolar compounds | show 🗑
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| show | The ratio of the solubility of a compound in a nonpolar solvent relative to its solubility in water; also directly related to the ability of compounds to penetrate cell membranes
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| The higher the Partition Coefficient | show 🗑
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| The quicker a liquid moves into a cell... | show 🗑
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| show | =less polar= faster cell entry
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| show | 3M propyl alcohol (C3H7OH)= P.C= 0.156
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Or sort by any of the columns using the down arrow next to any column heading.
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Created by:
Jahazania
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