The protein molecule present in haemoglobin is

The protein molecule present in haemoglobin is
  1. thrombin
  2. fibrinogen
  3. globulin
  4. casein

Solution

globin molecules
Hemoglobin consist of protein subunits (the globin molecules), and these proteins, in turn, are folded chains of a large number of diferent amino acids called polypeptides .

Asked in: JEE-TOPICTESTS-CHEMISTRY

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