All of the following forces are involved in antigen-antibody reactions, except:
AElectrostatic bond
BHydrogen bond
CCovalent bond
DVan der Waals forces
In ABO blood grouping, which is False?
AIgM is most common antibody in ABO
BABO are carbohydrate Ag
CABO antibodies are natural and present since birth
DAb are present only if Ag is absent
Which immunoglobulin is known to be heat-labile?
AIgA
BIgG
CIgM
DIgE
+ 7 more in the PDF
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