4-subunits of human haemoglobin is :-...

4-subunits of human haemoglobin is :-

A

One `alpha`-type sub unit + three `beta` type sub unit

B

Three `alpha`-type sub unit + one `beta` type sub unit

C

Two `alpha`-type sub unit + two `beta` type sub unit

D

Four `alpha`-type sub unit + `beta` - type sub unit absent

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The correct Answer is:

C

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