The breakdown products of haemoglobin is called as
A
Iron
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B
Bilirubin
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C
Haemocyanin
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D
Skatol
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Solution
The correct option is B Bilirubin Hemoglobin molecules from red blood cells are broken down into two subunits, heme (iron-containing portion) and globin. The heme further breaks down into iron and a green pigment called biliverdin. Biliverdin then is converted to an orange pigment called bilirubin. Hence bilirubin is a breakdown end product of heme-containing proteins. About 80% of bilirubin are formed from the degradation of erythrocyte hemoglobin in the reticuloendothelial system (RES).