Question of the week - Week of 09-Nov-2017

What is a characteristic of immunoglobulins A (IgA)?

Question of the week
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See a clue in the article The immune system and immunity in swine.Specific humoral immunity

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incorrect answer

IgA is the predominant Ig class in secretions (saliva, mucus, tears, colostrum, milk) at mucosal surfaces and prevent the penetration and colonization of pathogens.