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
The correct match is
(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 (as printed): A
Explanation
Hemoglobin - $\mathrm{O_2}$ trasnport & ironCytochrome b - Electron carrier & ironVitamin $\mathrm{B_{12}}$ - Group transfer reactions & cobaltHemocyanin - $\mathrm{O_2}$ transport & copper