A&P Lab: Membrane Transport

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Author:
annaocadhain
ID:
199582
Filename:
A&P Lab: Membrane Transport
Updated:
2013-02-10 23:22:30
Tags:
membrane transport
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Description:
cell membranes, transport, diffusion
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  1. Dialysis
    there are two or more solutes on one side of a semipermeable membrane. if a concentration gradient is present for a solute that can pass through this particular membrane it will diffuse and be separated from the other solutes.
  2. Osmosis
    movement of water through a semipermeable membrane from an area of higher concentration of water to an area of lower concentration of water
  3. Hemolysis
    rupturing of the cell membrane of an erythrocyte resulting in loss of hemoglobin from the cell
  4. Crenation
    shrinking or shriveling of a cell due to loss of water from the cytoplasm
  5. Mole
    in grams

    the amount of a substance equal to its molecular weight.

    • a mole f any substance always contains
    • 6.02 X 1023 molecules (Avogadro's number)
  6. Molar Solution
    a mole of molecules mixed in enough water to make one liter of solution
  7. Osmotic Pressure
    the pressure that must be placed on a solution to keep pure water from entering it across a semipermeable membrane. (it is really a measure of the concentration of solute in a solution)
  8. Osmol
    unit for measuring osmotic pressure

    1osmol = pressure of a mole of NON-IONIZING solute molecules in a liter of solution

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