Question

8/10
what role does sphingomyelin play in the brain?
it acts as a hormone it stores energy
it helps in dna replication it electrically insulates neurons

Explanation:

Sphingomyelin is a type of lipid that is a major component of myelin sheaths around neurons. Myelin sheaths electrically insulate neurons to speed up nerve impulse transmission. Hormones are signaling molecules (not the role of sphingomyelin), energy storage is done by lipids like triglycerides (not sphingomyelin's main brain role), and DNA replication involves enzymes and nucleic acids, not sphingomyelin.

Answer:

D. It electrically insulates neurons