Rajni posted an Question
October 24, 2020 • 08:34 am 30 points
  • IIT JAM
  • Biotechnology (BT)

The molecular mass of lgg is 150 kda, and that of the antigen-antibody complex formed in the presence of 24. large excess of antigen is 300 kda. the molecular m

The molecular mass of lgG is 150 kDa, and that of the antigen-antibody complex formed in the presence of 24. large excess of antigen is 300 kDa. The molecular mass of the antigen is a. 25 kDa b. 50 kDa C. 75 kDa d. 150 kDa

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    Narayan singh best-answer

    Answer: C 75 KDa Explanation: The molecular mass of IgG being 150 KDa and that of antigen-antibody complex 300 KDa. Therefore if we want to find out the molecular mass of antigen then, = Molecular mass of antigen antibody complex - molecular mass of IgG = 300-150 = 150 KDa One antibody has two antigen binding sites, hence 150/2 = 75 KDa

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