Diffusion is simply the movement of one molecule from an area of high concentration to low concentration. It is semi related to the plasma membrane because plasma membrane does allow diffusion, to an extent. Plasma membrane is semipermeable and only allows certain things to diffuse in or diffuse out.
In Facilitated diffusion materials are transported across the plasma membrane without using up any energy. Plasma membranes is made up of phospholipid bilayers consisting of proteins which help in the transportation of larger materials.
Besides the concentration of the chemical, the pore size of the plasma membrane, and the osmotic pressure of the cytoplasm - nothing else influences the rate of diffusion of a chemical across a plasma membrane.
water
Facilitated Diffusion
Diffusion
Diffusion is what carries materials across the plasma membrane. The diffusion cannot be moved across water.
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The plasma membrane of a cell plays a role in diffusion.
Diffusion
The cell membrane, also known as the plasma membrane, is the organelle involved in osmosis and diffusion. It acts as a barrier that regulates the flow of molecules in and out of the cell, allowing for the passive movement of substances such as water and solutes through the process of osmosis and diffusion.
diffusion
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