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What properties related to water do these molecules have that allows them to form a plasma 'membrane?
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What type of molecules embebbed in the plasma membrane allows molecules to pass through the membrane by active or passive transport?
proteins
What is a semipermeable mebrane?
The cell membrane is called as semi-permeable membrane because it allows only certain/selective molecules to pass through it.It mostly allows only solvent molecules to pass.It is sometimes also called as selectively permeable membrane.
What are the properties of solutes that can cross a membrane by simple diffusion?
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).
What does it mean if a cell membrane is selectively permiable?
The cell membrane only allows certain molecules through.
Substances that can pass through cell membranes by diffusion include?
depends on type of membrane 1) semi-permeable membrane - allows only solvent molecule to pass ex. parchment paper 2) permeable membrane - allows both solvent and solute molecules to pass ex. filter paper 3) selectively permeable membrane - allows solvent molecules and some of selected solute molecules to pass ex. plasma membrane
What properties does a selective permeable membrane have?
the ability to allow materials to cross a membrane
What type of molecules embebbed in the plasma membrane allows molecules to pass through the membrane by active or passive transport?
proteins
What is meant by membrane is membrane?
a partially permeable membrane allows some molecules or ions to pass through it
What part of the cell membrane allows small molecules to pass through?
the cell membrane
What is a semipermeable mebrane?
The cell membrane is called as semi-permeable membrane because it allows only certain/selective molecules to pass through it.It mostly allows only solvent molecules to pass.It is sometimes also called as selectively permeable membrane.
What are the properties of solutes that can cross a membrane by simple diffusion?
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).
What do you call a cell membrane that allows certain molecules to pass through?
A selectively permeable membrane.
What does it mean if a cell membrane is selectively permiable?
The cell membrane only allows certain molecules through.
What structure allows only certain things to pass in and out of a cell?
The cell membrane. It is a semi-permeable membrane (or selectively permeable membrane) - this means that it only lets certain certain molecules or ions pass in or out of the cell. Permeability may depend on the molecule's size, solubility, properties, or chemistry.
Substances that can pass through cell membranes by diffusion include?
depends on type of membrane 1) semi-permeable membrane - allows only solvent molecule to pass ex. parchment paper 2) permeable membrane - allows both solvent and solute molecules to pass ex. filter paper 3) selectively permeable membrane - allows solvent molecules and some of selected solute molecules to pass ex. plasma membrane
Why do you think that the eggs membrane will let water to enter but not corn syrup?
water molecules are smaller than corn syrup. the membrane allows a certain size of molecules.
Which part of the cell surrounds the cell and allows molecules in and?
The cell membrane is the thing that surrounds the cell. The cell membrane contains proteins that allow active transport of molecules in and out of the cell.
