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What substance can diffuse through a differentially permeable membrane?
Wiki User
∙ 9y ago
Diffusion across a membrane in Biology is referred to as 'osmosis' & osmosis is the process by which solvent molecules move from a region of high conc. to low concentration and this can therefore occur only in one direction at a time for a perticular solution.
this is a really smart answer
im surprised
Wiki User
∙ 13y ago
Wiki User
∙ 9y agoIt is possible for materials to diffuse through a selectively permeable membrane in both directions at the same time. However, the rate of flow would most likely be different for each.
Wiki User
∙ 9y agoWater can diffuse through a differentially permeable membrane by a process known as osmosis. Differentially permeable membranes are also known as selectively permeable or semi permeable.
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When is a substance most likely to diffuse into a cell?
If there is the concentration of substance inside the cell is lesser than outside and cell membrane is permeable to the substance.
What substance will diffuse through a membrane?
The three substances that can diffuse through a cell membrane are CO2, O2, AND H2O.
Is the Visking tubing a partailly permeable membrane and why?
Yes, it is a partially permeable membrane. It allows certain substances like glucose and water molecules to diffuse through but not large molecules like starch and sucrose. Selectively permeable.
Water molecules diffuse through a selectively permeable membrane?
Water diffuses by facilitated diffusion, passing through water permeable protein channels embedded in the cell membrane. Water molecules can not pass through the lipid bilayer because water is polar. However, polar molecules pass though the cell membrane through the protein channels. The proteins that aid water in passing through the cell membrane are called aquaporins. "Aqua" for water, and "porin" for pore. A "water pore" in essence.
Are solutes always able to diffuse through a cell's selective permeable membrane?
No, cell membranes are semi-permeable, meaning they allow some solutes to pass through - but not others.
What is the membrane said to be if a substance is able to diffuse across a membrane?
selectively permeable
If a substance is able to diffuse across a membrane then the membrane is said to be what?
selectively permeable
When is a substance most likely to diffuse into a cell?
If there is the concentration of substance inside the cell is lesser than outside and cell membrane is permeable to the substance.
Why do sugar molecules not diffuse through a plant cell membrane?
The membrane is semi-permeable. Sugar molecules are too large to diffuse through.
What is the term for a membrane that allows certain but not all molecules to diffuse through it?
semi-permeable.
When there are different amounts of a substance on either side of the cell membrane (a)?
This depends if the particular cell membrane is permeable to the substance or not. If so, then if there was a larger amount of the substance on the outside, it would diffuse into the cell down the concentration gradient. For it to go the other way would require ATP used in active transport.
What substance will diffuse through a membrane?
The three substances that can diffuse through a cell membrane are CO2, O2, AND H2O.
Is the Visking tubing a partailly permeable membrane and why?
Yes, it is a partially permeable membrane. It allows certain substances like glucose and water molecules to diffuse through but not large molecules like starch and sucrose. Selectively permeable.
When there are different amounts of a substance on either side of the cell membrane a what results?
This depends if the particular cell membrane is permeable to the substance or not. If so, then if there was a larger amount of the substance on the outside, it would diffuse into the cell down the concentration gradient. For it to go the other way would require ATP used in active transport.
Which substance did not diffused through the membrane?
starch doesnt diffuse through the dialysis membrane.
If a substance is unable to diffuse across a membrane we say the membrane is?
osmotically active
Is a membrane selectively permeable?
Selectively permeable means that only certain substances are able pass through the cell membrane.A selectively permeable membrane is a membrane that only can be permeated by selective things, in other words a surface that lets some molecules in but not others. Like a cell membrane will let water diffuse into it :)
