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What is a membrane called when only certain things can cross a membrane?
A membrane that only allows certain substances to cross is called a selectively permeable or semi-permeable membrane. It allows some molecules or ions to pass through while blocking others based on characteristics like size, charge, or solubility.
What only allows certain substances in and out of a cell?
The permeability of the cell membrane controls which substances may pass in or out of the cell.
Which part of the cell allows for selective permeability?
The cell membrane, composed of phospholipids and proteins, allows for selective permeability. Its structure enables it to regulate the passage of molecules in and out of the cell, ensuring that only certain substances can cross based on their size, charge, and solubility.
A membrane that allows only certain substances to pass through is a?
A permeable membrane
What does selective permeability mean what is responsible for the selective permeability of the plasma or cell membrane?
When a cell's membrane is permeable, it means that only certain proteins and other molecules can go in and out of the porous membrane, through protein pumps and other pathways. Some molecules stay inside the cell, while others float outside. Starches, for example, are large molecules that cannot pass through the membrane.
What structure allows certain things to pass in and out of the cells?
The cell membrane allows only certain things to pass in and out of the cell.
What structure allows only certain thing in and out?
semipermeable
What structure allow only certain things to pass in and out of the cell?
The cell membrane allows only certain things to pass in and out of the cell.
What stucture allows only certain things to pass in and out of the cell?
Cell membrane
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.
How structures affects function?
The structure is important because each enzyme's shapes allows only certain reactants to bind the enzyme.
What is a membrane called when only certain things can cross a membrane?
A membrane that only allows certain substances to cross is called a selectively permeable or semi-permeable membrane. It allows some molecules or ions to pass through while blocking others based on characteristics like size, charge, or solubility.
Which organelle is found in both plant and animal cells and allows only certain things to pass in and out of the cell?
cell membrane
What cell part allows only certain substances to difuse into and out of the cell?
The cell's membrane allows only certain substances to diffuse in and out of the cell.
Which of the these is an example of a zoning ordinance?
A town allows only residential buildings in a certain area.
What structure can be execute a set of statements only under certain circumstances?
Decision structure.
How is semi permeable different from permeable?
I think that the difference is that a semi-permeable allows only certain things to pass through which are those that are small enough while permeable again i say i think allows almost all things to pass through
