(A) This is the structure of stearic acid ... (it has two), it is a polyunsaturated fatty acid. The omega numbering system has been applied to this molecule. Here, counting in from the omega ...
A fat molecule consists of two main components: glycerol and fatty acids. Glycerol is an alcohol molecule with three carbon atoms, five hydrogens, and three hydroxyl (chemically bonded oxygen and ...
To make an ester, a hydrogen atom must be removed from the hydroxyl group (–OH) of the alcohol. The –OH portion of the acid's carboxyl group must also be removed. The hydrogren atom and the ...
The hydrophilic head is composed of a choline structure (blue ... atoms in one of the hydrocarbon (fatty acid) tails causes a slight kink on this molecule, so it appears bent.