Which of the following membranes has the highest protein content per gram tissue: (A) Myelin sheath, (B) Outer mitochondrial Membrane, (C) Sarcoplasmic Reticulum, (D) Inner Mitochondrial membrane
Answer is D. The membrane with the highest protein content is inner mitochondria The membrane with highest lipid content is myelin sheath Protein to Lipid ratio in Different Membranes Membranes Protein:Lipid Ratio Myelin 0.23 Human RBC 1.1 Mitochondrial outer membrane 1.1 Sarcoplasmic reticulum 2.0 Mitochondrial inner membrane 3.2 Ref: Harper's illustrated Biochemistry 31st edition Pgno: 1124