<prompt> Gangliosides consist ofNitrogenous baseGlycerolPhosphateSialic acid  <response>: Gangliosides are synthesized from ceramide by the addition of activated sugars eg, UDPGlc and UDPGal and a sialic acid, usually N-acetylneuraminic acid. Gangliosidoses is accumulation of gangliosides. Ex: Tay-Sachs disease Ref : Biochemistry by U. Satyanarayana 3rd edition Pgno : 37 