Bio-Chemistry (M.Phil./Ph.D.) 2020 Panjab University Entrance Exam With Answers

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26.

In sickle cell disease, the behavior of hemoglobin protein can be described as:

A: The haemoglobin protein dissociates into four subunits.
B: The haemoglobin protein lacks a haem group.
C: Neighbouring haemoglobin proteins aggregate together.
D: The haemoglobin protein possesses an iron atom in the Fe (III) form rather than the normal Fe (II) form.

The answer is: C

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