(A) The plasma membrane of a cell is a bilayer of glycerophospholipid molecules ... The hydrophilic head is composed of a choline structure (blue) and a phosphate (orange).

why should it be a bilayer, and how was this basic structure determined? Although it is now generally taken for granted that membranes are based on the presence of a lipid bilayer, that was not ...

A research team from the University of Science and Technology of China has demonstrated the ability to electrically ...