Haemoglobin transports

Oxygen

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Nitrogen

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Sulphur

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None of the above

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Solution

The correct option is A Oxygen
Hemoglobin (Hb or Hgb ) is an iron-containing protein present in erythrocytes or Red blood cells (RBC) of almost all vertebrates. Each hemoglobin is made up of 4 subunits, 2 alpha subunits and 2 beta subunits. Each subunit surrounds the central heme group that contains iron and binds to one oxygen molecule. Hence each hemoglobin molecule can bind to four oxygen molecules. It carries oxygen from lungs to tissues. Hence haemoglobin transports oxygen.
So, the correct answer is 'Oxygen'.

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Similar questions

A. The amino acids in the β chain of haemoglobin in Chimpanzee and human are the same.

B. The difference in amino acids in the β chain of haemoglobin in rats and human beings is just one amino acid.

C. Gorilla, chimpanzee and humans also have the same amino acids in the β chain of haemoglobin.

Which of the above are False?

C O_{2}

$C O_{2}$ dissociates from carbamino haemoglobin when

(a) $p C O_{2}$ is high and $p O_{2}$ is low

(b) $p O_{2}$ is high and $p C O_{2}$ is low

(d) None of the above

0.35 % F e .

F e (56 g/mol) .

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