We are taught that plasma membranes are a typical lipid bilayer, but how do we know this, and who figured it out? Aa Aa Aa Most books mention that membranes have a typical "lipid bilayer," but why ...
The hydrophilic head is composed of a choline structure (blue) and a phosphate (orange). This head is connected to a glycerol (green) with two hydrophobic tails (purple) called fatty acids.
This gives them a rigid structure. Supports and strengthens cell? Cell membrane Selectively permeable double layer of lipid and protein molecules? All cell types ? Fluid enclosed by the cell ...