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Summarize the factors that determine the direction of net movement of water across a cell membrane?
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∙ 13y ago
osmosis
Annamarie Trantow
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∙ 13y agosome molecules can slip through the membrane, however this is kind of hard because water molecules are polar and the center of the membrane is nonpolar. Most water moves through special integral (transmembrane) proteins called aquaporins.
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∙ 14y agoit is determined by the concentration of water on either side of the cell membrane.
-Stean alfonsi answered this.
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∙ 14y agoThe direction of the water depends on the relative concetration of solutes on two sides of the membrane
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∙ 13y agoWater across a membrane travels down its concentration gradient. That is, it moves from higher areas of concentration to lower areas of concentration until equilibrium is reached.
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∙ 10y agoThe concentration gradient.
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∙ 11y agobecause of the gravity of the earth , :P
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∙ 11y agoisotonic
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∙ 10y agoMolecules
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∙ 12y agoMolecules
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The movement of the water across a membrane is termed?
The term used is osmosis. the direction of movement across the membrane is dependent on the concentration of solutes (known as the solute potential) which directly effects the osmotic potential.
The movement of water across a membrane is trem?
The movement of water across a membrane is called osmosis.
What movement do ion channels aid?
the movement of ions across a cell membrane.
What Controls what moves in and out of the cell?
Cell membrane
Is movement of alcohol through cell membrane osmosis?
Alcohol moves across the cell membrane by means of osmosis.
What determine the direction of respiratory gas movement?
partial pressure gradient
What determine the direction of prevailling winds?
by latitude and is affected by the movement of earths air
The movement of the water across a membrane is termed?
The term used is osmosis. the direction of movement across the membrane is dependent on the concentration of solutes (known as the solute potential) which directly effects the osmotic potential.
What is the direction of movement of various substances across the cell membrane for the cell's life activities?
excretion, transport and respiration
The movement of water across a membrane is trem?
The movement of water across a membrane is called osmosis.
In which direction does friction act compared o the direction of movement?
In the same direction as the movement
Controles movement into and out of the nucleus?
nuclear membrane
What controls movement into and out of the nucleus?
The cell membrane controls the movement into and out of the nucleus. The cell membrane is a barrier that keeps cellular materials in and foreign objects out.
What is osmosis?
osmosis is a movement of a fluid that passes through a semipermable membrane
What movement do ion channels aid?
the movement of ions across a cell membrane.
What Controls what moves in and out of the cell?
Cell membrane
The movement of materials into and out of the cells is controlled by what?
Plasma membrane a.k.a. --- cell membrane
