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Osmotic Pressure Test

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1.
The osmotic pressure would be 0 if..
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2.
If the molecules are able to diffuse through the membrane then what will happen? WHY?
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3.
What does tonicity tell us?
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4.
Explain the effect that increasing the Na+ Cl- concentration had on osmotic pressure and why it has this effect?
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5.
What does Osmosis Depend on?
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6.
Describe one way in which osmosis is different to simple diffusion
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7.
Describe one way in which osmosis is similar to simple diffusion
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8.
The more impermeable the solute...
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9.
Osmosis is a ____ process and ______energy
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10.
When does osmosis take place?
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11.
What is osmotic pressure?
A.
Whether the cell will shrink or swell
B.
The concentration gradient of water
C.
Equilibrium is reached & there will be no osmotic pressure change because the molecules diffuse through the membrane pores
D.
the greater the osmotic pressure
E.
PASSIVE process and DOES NOT REQUIRE energy
F.
Increased osmotic pressure. The high concentration of molecules in one side of the membrane results in an increased force of water movement to the high concentration side of the membrane which results in an increased osmotic pressure.
G.
in simple diffusion ions and molecules are transported across the membrane. However in osmosis only solvents (such as water) are being transported through a selectively permeable membrane.
H.
When there is a difference in water concentration between 2 sides of the membrane
I.
The concentration on both sides of the membrane was equal
J.
The force that is applied to oppose osmosis
K.
both processes are passive which means the molecules diffuse from an area of high concentration to an area of low concentration without the use of energy from the external source.
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12.
When a solute is able to pass through a membrane...
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13.
If you double the concentration of an nondiffusible that is on one side of the membrane the osmotic pressure will...
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14.
Water diffuses
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15.
Diffusion of water through a selectively permeable membrane?
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16.
down a conc gradient

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