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What is selective premeable?
A membrane which lets pass some materials and stops other is known as a selectively permeable membrane.
What characteristic make a cell membrane selectively premeable?
the chemical nature of the membrane
What is the diffusion of water across a selectively premeable membrane called?
It is osmosis .
What makes up the selectively premeable membrane that controls which molecules enter and leave the cell?
A cell's membrane is made up of a phospholipid bilayer which has several protein channels and various other transport mechanisms built in.
Why is it important for the cell membrane to be selectively premeable?
It makes it harder for viruses and free radicals to reach the nucleus.
Is plasma membrane premeable?
The plasma membrane is selectively permeable; it allows some substances to pass through but prevents the passage of other substances
What materials does osmosis transport?
Osmosis is the diffusion of water across a selectively permeable membrane from where it(water) is in higher concentration to where it(water) is in lower concentration.
Structure regulates the transport in and out of the cell?
The cell membrane is the structure that regulates the transport of molecules in and out of the cell. It is selectively permeable, allowing certain substances to pass through while restricting others. Transport proteins embedded in the membrane help facilitate the movement of specific molecules across the membrane.
What regulates the flow of materials to and from the cell?
The cell membrane regulates the flow of materials into and out of the cell. It is selectively permeable, meaning it controls what substances can pass through it. Additionally, membrane proteins and transport channels help facilitate the movement of specific molecules in and out of the cell.
What type of membrane allows some but not all materials cross?
A selectively permeable membrane allows SOME but not ALL materials to cross.
How does the cell membrane affect the contents of the cell?
It selectively lets things transport into and out of the Cell.
What membrane allows materials to pass into and out of the cell?
The cell membrane, also known as the plasma membrane, is a selectively permeable barrier that regulates the passage of materials in and out of the cell. Its structure consists of a lipid bilayer with embedded proteins that facilitate the transport of substances such as nutrients, waste products, and signaling molecules.
