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Solution
The correct option is C 8
Each hemoglobin molecule has four globin
chains (in hemoglobin A, the predominant form in adults, the hemoglobin molecule includes two alpha and two beta chains). Each globin chain is associated with one heme group, containing one atom of iron. Each of the four iron atoms can bind loosely with one molecule (two atoms) of oxygen. Thus, each hemoglobin molecule can transport eight oxygen atoms.
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Solution
The correct option is D four
Haemoglobin is the iron containing
protein found in red blood cells. It is responsible for the transportation of oxygen and carbon dioxide. It consists of four protein chains and each chain has a haem group attached to it. Each haem group has an iron molecule. The oxygen binds to the iron molecule. Since there are four iron molecules, each haemoglobin is capable of carrying four oxygen molecules.
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