Decreased protein : lipid ratio is seen in:: (A) Inner mitochondrial membrane, (B) Outer mitochondrial membrane, (C) Sarcoplasmic reticulum, (D) Myelin sheath membrane
Answer is D. Ans. (d) Myelin sheath membrane(Ref: Ganong, 25th ed/p.34)Proteins are the major constituents of cell membraneInner mitochondria membrane has maximum protein concentrationThe only exception where lipids outnumber proteins is Myelin sheath of nerve cell membrane