The most abundant class of antibodies in serum is

A) IgG.
B) IgM.
C) IgA.
D) IgD.
E) IgE.


A

Biology & Microbiology

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When an exergonic reaction is used to fuel an endergonic reaction, the reactions are referred to as being

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A farmer has a localized, painful skin infection. Cultures are set up, and <-hemolytic, cata-lase-negative, and gram-positive bacilli are isolated. Based on this information, which of the fol-lowing biochemical results are expected—urease, H2S production in TSI, and nitrate reduction?

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