11. Which one of the following statements regarding sphingolipid is not correct?(A) Biosynthesis of ceramide shares the same precursor, palmitoyl-CoA, with glycerophospholipid.(B) Serine is a precursor for the biosynthesis of ceramide.(C) Ceramide promotes apoptosis by inducing mitochondrial outer membrane permeabilization.(D) Sphingomyelin is consisted of ceramide and ethanolamine.(E) Glycosphingolipids are major determinants of blood groups.