it blocks the passge of most substances
it means that any biological membrane allows only certain solute or we can say nutrients that are required by cell, to enter into cell through itself and not other unnecessary particles hrmful to cell.. Such property is called selectively permeable or semi permeable...
semi permeable means the cell chooses what comes into it, they have this so they can let food particles and water in but not large items or other cells
Because plasma membrane allows only certain solute to move into the cell and outside the cell
Selectively permeable refers to a cell membrane that will let certain things in and out of the cell, but block other things.
it allows some substances to pass through but blocks the passage of others.
Yes, selectively permeable and semi-permeable mean the same thing. They refer to a membrane that allows certain molecules or ions to pass through while blocking others based on size, charge, or other properties.
A selectively permeable cell membrane allows certain molecules or ions to pass through while restricting the passage of others. This selective permeability helps regulate the movement of substances in and out of the cell, maintaining internal conditions necessary for cellular functions.
In Biology, a selective permeable cell means the cell only allows certain molecules to pass through. This concept was first introduced to understand the process of osmosis, where solute molecules move along a concentration gradient through a semi permeable membrane (also known as a selectively permeable membrane) Cells allow water molecules and small ions to pass through their membranes without the expenditure of energy.
It only let's some materials pass in and out.
"Selectively permeable" refers to a membrane that allows certain substances to pass through while blocking others. This selectivity is based on the size, charge, or other properties of the molecules trying to cross the membrane. An example is a cell membrane, which permits the passage of specific molecules necessary for the cell's function while blocking others.
Osmosis. Osmosis is the diffusion of water through a selectively permeable membrane. I'm assuming you mean active transport of plasma into a red blood cell.
If you break down the two words, selective means to only pick certain things, and permeable means to let pass through. When you talk about something being "selectively permeable", it usually refers to a cell membrane because it only lets in certain nutrients and lets out proteins and what not. I hope this answers your question.