Match the metalloprotein in Column-A with its biological function and metal centre in Column-B. The correct… · ABC26IN0042
Subject: Inorganic Chemistry · Chapter: Bioinorganic Chemistry · Topic: Oxygen Carriers Hemoglobin · Exam: CSIR-NET 2015 · Marks: 2 · Difficulty: Medium
Match the metalloprotein in Column-A with its biological function and metal centre in Column-B. | Column-A | Column-B |
|---|
| (A) hemoglobin | (I) electron carrier and iron |
| (B) cytochrome b | (II) electron carrier and copper |
| (C) vitamin $\mathrm{B_{12}}$ | (III) $\mathrm{O_2}$ transport and copper |
| (D) hemocyain | (IV) Group transfer reactions and cobalt |
| (V) $\mathrm{O_2}$ storage and cobalt |
| (VI) $\mathrm{O_2}$ transport and iron |
(a)A-VI, B-I, C-IV and D-III
(b)A-V. B-I, C-IV and D-III
(c)A-VI. B-V, C-I and D-II
(d)A-V, B-VI, C-II and D-IV
Answer
Answer: A ✓ checked by 4AB · confidence high
Answer: hemoglobin – VI; cytochrome b – I; vitamin B₁₂ – IV; hemocyanin – III.
Explanation
Answer: hemoglobin – VI; cytochrome b – I; vitamin B₁₂ – IV; hemocyanin – III — Hemoglobin: O₂ transport, Fe. Cytochromes: electron carriers, Fe. B₁₂ coenzymes: group-transfer (methyl/1,2-shift) reactions, Co. Hemocyanin: O₂ transport, Cu.
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