ERYTHROCYTES [RBCs]. Lecture – 2 Dr. Zahoor Ali Shaikh. ERYTHROCYTES. Normal RBC count - 5 million per cubic millimeter (mm 3 ) of blood. RBC contain hemoglobin which carries O 2 . Main function of RBC – O 2 transport, also CO 2 transport. STRUCTURE OF RBC.
Lecture – 2
Dr. Zahoor Ali Shaikh
1.Globin – protein has 4 polypeptide chain
2 αchain [141 amino acid in each chain]
2 β chain [146 amino acid in each chain]
2.Heme – 4 iron containing groups, each is bound to one polypeptide chain.
- Glycolytic enzyme, it generates energy ATP for active transport at membrane.
- Carbon anhydrase enzyme for CO2 transport.
[Bone marrow is cellular tissue that fills the internal cavities of bones].
- reduction in size
- disappearance of nucleus
- acquiring of hemoglobin
Answer: Rate of Erythropoiesis can be increased more than 6 times.