試題詳解

76. Which of the following statements about sphingomyelins is NOT correct?
(A) Sphingomyelins contain phosphocholine or phosphoethanolamine as their polar head group.
(B) Sphingomyelins are classified along with glycerophospholipids as phospholipids.
(C) Sphingomyelins have a net positive charge on their head groups.
(D) Sphingomyelins are present in the plasma membranes of animal cells.
(E) Sphingomyelins are especially prominent in myelin.