Mature RBC contains all except -: (A) Enzyme of HMP shunt pathway, (B) Enzyme of TCA cycle, (C) Glycoytic enzymes, (D) Pyridine nubleotides
Answer is B. Ans:B .) Enzymes of TCA cycle Erythrocytes (RBC) lack mitochondria (so TCA cycle enzymes) and completely rely on glucose as their metabolic fuel. They metabolize it by anaerobic glycolysis.