32. Lipids

What function does the $\mathrm{phosphate} \mathrm{group}$ provide to $\mathrm{phosphoglycerides}$ in biological membranes?

Which one of the following statements accurately describes the difference between cephalins and lecithins?

Draw a glycerophospholipid with lauric acid at C1, myristic acid at C2, and choline bonded to phosphate.

Draw a cephalin with stearic acid at C1 and oleic acid at C2.

Phosphoglycerides can undergo saponification reaction. Draw products of complete basic hydrolysis of following cephalin. (Hint: 5 products are formed.)