Question

In human beings, the membrane of erythrocyte has____________________

• A. approximately $40\%$ proteins and $52\%$ lipids
• B. cephalin on the outer side and lecithin on the inner side
• C. approximately $52\%$ proteins and $40\%$ carbohydrates
• D. lecithin on the outer side and cephalin on the inner side

Answer 1

The correct option is A approximately $40\%$ proteins and $52\%$ lipids

• Erythrocytes are also known as RBC. It takes oxygen from the lungs and transport to the whole body.
• The cytoplasm of erythrocytes is rich in hemoglobin, which is iron-containing biomolecules.
• The membrane of RBC is composed of proteins and lipids. It contains approximately 40% of proteins and 52%. The remaining 8% is composed of oligosaccharides.

So, the correct option is ' Approximately 40% proteins and 52 % lipids '.