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Water.
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∙ 16y ago
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∙ 14y agoH20 (water)
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What is the process in which molecules move across the cell membrane from a region of low concentration to a region of high concentration?
Active Transport - the process of moving particles across a cell membrane against a concentration gradient <- right one
When would active transport be used by a cell?
Active transport is used when molecules are moved across a cell membrane against their concentration gradient, from a low to a high concentration.
Which type of transporters is used to move a molecule from a region of low concentration traction to a region of high concentration?
protein molecules in the cell membrane
How do water molecules move through the cell membrane during omosis?
With a specific channel protein called aquaporins.
Which term describes the movement of water molecules into and out of the cell?
Osmosis is the movement of water particles from an area of high concentration to an area of low concentration, across a semi-permeable membrane.
How does the cell transport materials across the cell membrane?
a cell transports things across the cell membrane from areas of high concentration to ares of low concentration
What type of transport is used to move from a region of low concentration to a region of high concentration?
Without a cell membrane involved, this is just simple diffusion. If a cell membrane is involved, it is osmosis.
Is the process in which molecules move across a cell membrane from a region of low concentration to a region of high concentration.?
Active Transport - the process of moving particles across a cell membrane against a concentration gradient <- right one
What is the process in which molecules move across the cell membrane from a region of low concentration to a region of high concentration?
Active Transport - the process of moving particles across a cell membrane against a concentration gradient <- right one
What type of transport is used to move molecules from a region of low concentration to a region of high concentration?
Without a cell membrane involved, this is just simple diffusion. If a cell membrane is involved, it is osmosis.
During osmosis what passes through a cell membrane?
Water, from high to low concentration.
What is the process in which water diffuses across the cell membrane of an animal cell membrane of an animal cell from a region concentration to a region of low concentration?
Osmosisdiffusion deals with anything moving from high to low concentrations while osmosis is specifically water
What does concentration gradient have to do with diffusion of substances across the cell membrane?
concentration gradient moves from high to low until equilibrium is reached.
What makes the cell membrane selective permeable?
A cell membrane is selectively permeable because it only allows particles to move across them due to different concentrations. Molecules move from areas of low concentration to high concentration.
When would active transport be used by a cell?
Active transport is used when molecules are moved across a cell membrane against their concentration gradient, from a low to a high concentration.
How would sugar entering a cell that already contains a high concentration of sugar get through a cell membrane into a cell?
It would be Active Transport.
Which type of transporters is used to move a molecule from a region of low concentration traction to a region of high concentration?
protein molecules in the cell membrane
