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A liquid or gas that can pass through something
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∙ 11y ago
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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 does it mean to be selectively permeable semi-permeable?
DefinitionnounA membrane that is selectively permeable, i.e. being permeable to only certain molecules and not to all molecules.SupplementAn example of such membrane is the cell membrane wherein it allows passage of only certain types of molecules by diffusion and occasionally by facilitated diffusion.by~paula razon (facebook)!!!
Is the cell membrane selectively permeable?
There are different types of plastics and most of them are nor permeable or selectively permeable .Cellophane is a specific plastic used in biological experiments as it is selectively permeable .
Is cell wall is a permeable membrane?
it is not selective permeable. - Cell membranes are selective permeable. Cell walls are fully permeable - which means that it allows all substances/molecules to pass in and out of the cell. It is located outside of the membrane.
What substance can diffuse through a differentially permeable membrane?
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
What is the amount of particles in a substance?
semi-permeable
What word means a substance that lets water through is it impermeable permeable souble or insoluble?
permeable
What substance not permeable at the cell membrane?
the cell wall
What is the basic strcture of a cell membrane?
Cell membrane is elastic and transparent. It can be impermeable, permeable, semi-permeable or selectively permeable. In humans the plasma membrane is selectively permeable that is it allows entry to certain substance.
What is it called when a substance can not pass through the cell membrain?
Selectively Permeable
If a membrane was not permeable to sugars why would it probably also not be permeable to starch molecules?
If a membrane is permeable to a substance, it means that there are gaps/holes/pores in the membrane large enough for that substance to pass through. Starch molecules are bigger that sugar molecules. So if the membrane is not permeable to sugars, the gaps/holes/pores will not be big enough for starch molecules to pass through either.
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
What is the characteristic of a cell membrane that control which substance can enter and exit the cell?
Selective permeable
What is a characteristic of a cell membrane that controls which substance can enter and exit the cell?
Selective permeable
What is the characteristic of cell membrane that controls which substance can enter and exit the cell?
Selective permeable
What is the characteristic of a cell membrane that controls which substance can enter and exits the cell?
Selective permeable
