A compound containing N-acetylneuraminic acid (sialic acid) is:

A compound containing N-acetylneuraminic acid (sialic acid) is:

A compound containing N-acetylneuraminic acid (sialic acid) is: 


A) cardiolipin.
B) ganglioside GM2.
C) phosphatidylcholine.
D) platelet-activating factor.
E) sphingomyelin.

Answer: B