Note ... the property of a cell membrane is that no particles can pass through it.
At least not unaided. Cells have (make) specific proteins that are embedded within the membrane to pass materials back and forth.
Due to the construction of a cell membrane (fat on both sides of a monomolecular layer of water) only molecules that are soluble in both lipids and water can get through at all.
The size of the molecule. Usually if a membrane is semi - permeable (only allows some molecules through by simple diffusion) the molecule that will be allowed through most is H2O(water).
permeable
Lipids or oil get through plasma membrane because plasma membrane is a selectively permeable membrane. It allows entry and exit of only some substances through it.
permeable membrane: is a membrane that allows water to pass through the membrane ; the salt water is then left out
The cell membrane only allows certain molecules through.
The size of the molecule. Usually if a membrane is semi - permeable (only allows some molecules through by simple diffusion) the molecule that will be allowed through most is H2O(water).
the ability to allow materials to cross a membrane
A permeable membrane
a partially permeable membrane allows some molecules or ions to pass through it
the cell membrane
The name of the membrane that allows movement of water and substances through the process of active and passive transport is semipermeable membrane.
A selectively permeable membrane.
freely permiable membrane allows everything to pass through.
permeable
Lipids or oil get through plasma membrane because plasma membrane is a selectively permeable membrane. It allows entry and exit of only some substances through it.
Ion Channels allows ions to pass through the cell membrane.
This sort of membrane is said to be semipermeable.