Chapter Three: Cell Biology

Cell Membrane - Structure

Floating around in the cell membrane are different kinds of proteins. These are generally globular proteins. They are not held in any fixed pattern but instead float around in the phospholipid layer. Generally these proteins structurally fall into three catagories...
There are carrier proteins that regulate transport and diffusion
Marker proteins that identify the cell to other cells
And receptor proteins that allow the cell to recieve instructions

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