MCQ
Characteristic feature of haemoglobin:
- AReversible union with oxygen
- BRed colour
- CPresence of Cu
- DPresence of globulin protein
Explanation:
Haemoglobin is a protein which is used in red blood cells to store and transport oxygen. The reversible nature of the binding of oxygen allows for both the uptake of oxygen in the lungs and its release in body tissues.
Haemoglobin does not contain any Cu, it contains Fe.
The globulins are a family of globular proteins that have higher molecular weights than albumins and are insoluble in pure water but dissolve in dilute salt solutions. They are not present in haemoglobin.
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