Question

The reactions of (a) oxygen and (b) carbon
monoxide with haeme (the prosthetic group of
haemoglobin) give
(a) only oxygen-haeme complex
(b) only carbon monoxide-haeme complex
(c) both oxygen-haeme and carbon monoxidehaeme
complexes but oxygen-haeme
complex is more stable
(d) both oxygen-haeme and carbon monoxidehaeme
complexes but carbon monoxidehaeme
complex is more stable

Answer 1

Answer:

option A .

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Answer 2

(a) only oxygen-haeme complex

Explanation:

The name hemoglobin is derived from the words heme and globin, reflecting the fact that each subunit of hemoglobin is a globular protein with an embedded heme group. Each heme group contains one iron atom, that can bind one oxygen molecule through ion-induced dipole forces. Carbon monoxide does not react with haeme.

Option A is the answer.