Biochemistry Important One Liners Questions On HEMOGLOBIN AND PORPHYRINS

📅 August 9, 20221,366 views ✍️ Diksha Bhatla

This post includes important one-liner questions on HEMOGLOBIN AND PORPHYRINS from the subject of Biochemistry. This post summarises the chapter in short.

Q1. The total number of amino acids present in adult hemoglobin

Answer: 574

Q2. The oxidation of ferrous (Fe2+) iron to ferric (Fe3+) iron in hemoglobin results in the formation of a compound namely

Answer: Methemoglobin

Q3. The enzyme that catalyses the formation of carbonic acid

Answer: Carbonic anhydrase

Q4. Name the compound that is increased in RBC of anemic patients to facilitate the supply of O2 to the tissues

Answer: 2,3-Bisphosphoglycerate

Q5. Sickling of RBC in sickle-cell anemia is due to polymerization of

Answer: Deoxyhemoglobin,

Q6. The disorders characterized by decreased synthesis or total absence of globin chains of hemoglobin are collectively known as

Answer: Thalassemias

Q7. The intermediate of citric acid cycle that is involved in heme synthesis

Answer: Succinyl CoA

Q8. The enzyme defect in acute intermittent porphyria

Answer: Uroporphyrinogen synthase I

Q9. The enzyme that is regulated by feedback inhibition in heme synthesis is

Answer: δ -Aminolevulinate synthase

Q10. The product formed when heme oxygenase cleaves heme

Answer: Biliverdin

Q11. The characteristic red colour of hemoglobin is due to

Answer: Heme

Q12. The number of heme groups present in myoglobin

Answer: 1

Q13. The patients of sickle-cell anemia are resistant to

Answer: Malaria

Q14. The compound that facilitates the release of O2 from oxyhemoglobin

Answer: C1– , H+ , 2, 3-BPG

Q15. Name the amino acid that directly participates in the synthesis of heme

Answer: Glycine

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This post includes important one-liner questions on HEMOGLOBIN AND PORPHYRINS from the subject of Biochemistry. This post summarises the chapter in short.