At PH 7 the binding of 2,3 DPG to hemoglobin occurs at which site ?

Related Mcqs:

1. What effect does hyperventilation have on the oxygen binding affinity of hemoglobin ?

   A. P50 and oxygen affinity decrease B. P 50 and oxygen affinity increase C. P 50 decreases and the oxygen affinity increases D. P50 increase and the oxygen affinity decreases...

2. The binding site for complement on the IgG molecule is in the________________?

   A. VL domian B. CL domian C. CH1 domian D. CH2 domian...

3. Which of the following is correct about breakdown of hemoglobin (Hb)_____________?

   A. Hb→Heme→bilirubin→Urobilinogen B. Heme→Hb→Biliverdin→Urobilinogen C. Hb→Heme→Bilverdin→Uro bilinogen D. Hb→Heme→bilirubin→Urobilinogen→Biliverdin...

4. Which of the following is not a part of hemoglobin molecule___________?

   A. Pyrrole rings B. Vinyl groups C. Histidine D. Ferric ions...

5. When horse serum is injected intravenoulsy in to a rabbit and again in to the skin two or three weeks later, what is the necrotizing reaction that occurs as the site of the second injection________________?

   A. Atopy B. Anaphylaxis C. Arthus phenomenon D. Serum sickness...

6. A small Ca+2 binding protein that modifies the activity of many enzymes and other proteins in response to changes of Ca+2 concentration is known as______________?

   A. Cycline B. Calmodulin C. Collagen D. Kinesin...

7. The hemoglobin % of a normal newborn is______________?

   A. 8 B. 12 C. 10 D. 30...

8. Embryonic hemoglobin is composed of________________?

   A. Gamma and beta B. Epsilon and gamma C. Alpha and beta D. Gamma and alpha...

9. Hemoglobin has______________?

   A. Four polypeptide chains, 2α, 1β,1Υ chain B. Four heme molecules and four polypeptide chains C. Four heme molecules, 2α and 2β chains D. One heme and one globin molecule...

10. A patient reports with dyspnoea on slight exertion. He also has multiple petechial spots and spontaneous hemorrhage. His RBC count is less than one lakh/mm3 His hematocrit and hemoglobin is low. Most probable diagnosis is______________?

    A. Pernicious anemia B. Thalassemia C. Aplastic anemia D. Sprue...