Permeability
cell membrane
What you are considering when you are referring to how easily materials can pass through a membrane is how permeable the cell wall or membrane is.
It is called semi-permeability, a series of biochemical structures and processes that Control The Ingress and Egress of bio-materials into and out of The Cell.
A cell controls what moves through the membrane by means of membrane proteins embedded in the phospholipid bilayer.The things that can easily move in and out of the cell through the membrane are gases, like oxygen and carbon dioxide, and water.
The cell membrane allows small, uncharged molecules like oxygen and carbon dioxide to pass through freely. Larger molecules and charged ions require specific protein channels or transporters in the cell membrane to enter. The cell membrane blocks large molecules, charged ions, and hydrophilic molecules from freely crossing.
of a cell? the cell membrane.
It allows materials to pass in and out of the cell
Semi-permeable cell membrane.
proteins
yes, they only allow water moleclues to pass through the membrane.
cell membrane
the cell membrane
Materials pass through the cell membrane, which acts as a barrier between the cell's interior and the external environment. The cell membrane is selectively permeable, allowing certain substances to pass through while blocking others.
The permeability of the cell membrane controls which substances may pass in or out of the cell.
Golgi
the plasma membrane allows certain material to pass in and out.
The cell membrane allows only certain things to pass in and out of the cell.