Heme in haemoglobin is____________?

Related Mcqs:

1. Heme is converted to bilirubin mainly in_____________?

   A. Kidney
   B. Liver
   C. Spleen
   D. Bone marrow

2. Iron is complexed in haemoglobin to_______________?

   A. Leucine
   B. Histidine
   C. Isoleucine
   D. Valine

3. False statement about haemoglobin structure________________?

   A. Hb has 2 polypeptide chains
   B. Iron is present in ferrous state
   C. Hb structurally similar to myoglobin
   D. Ferrous ions are in porphyrin rings

4. Both beta chains of haemoglobin are abnormal in_________________?

   A. Heterozygous sickle cell trait
   B. Thalassemia major
   C. Homozygous sickle cell anemia
   D. Megaloblastic anemia

5. Normal adult haemoglobin contains________________?

   A. One alpha chain and one beta chain
   B. One alpha chains and two beta chains
   C. One beta chains and two alpha chains
   D. Two alpha chains and two beta chains

6. Increased levels of haemoglobin A2 is characteristic of________________?

   A. Sickle cell trait
   B. b-thalassaemia crait
   C. Glucose-6 phosphate dehydrogenase deficiency
   D. a-Thalassamia

7. Of prime importance in the structure of flavoproteins is____________?

   A. Vit B6
   B. Vit B2
   C. Vit B1
   D. Vit A

8. Average daily dose of vitamin C is____________?

   A. 30 – 40 mg
   B. 50 – 60 mg
   C. 60 – 100 mg
   D. 100 – 150 mg

9. The amino acid residue having animino side chain is____________?

   A. Lysine
   B. Histidine
   C. Tyrosine
   D. Proline

10. Key enzyme in urea synthesis is____________?

    A. Urease
    B. Carbamyl synthetase
    C. Arginase
    D. Ornithine