Which organism appears clear on MacConkey agar and resembles some colonies of the Enterobacteriaceae ...

C
M. canis is a nonlactose fermenter, appears clear on MacConkey agar, and resembles some colo-nies of the Enterobacteriaceae family.

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A
The eggs of S. mansoni are 115 to 180 m long by 40 to 75 m wide, and they have a large lat-eral spine.

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B
M. lacunata is able to liquefy serum; therefore depressions are formed on the surface of Leffler serum agar slants.

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B
A pandemic is defined as a virulent human influenza virus that causes a global outbreak of se-rious illness of which little natural immunity exists and that has sustained person-to-person transmission. Often pandemics result in high rates of human mortality with significant social, infrastructure, and economic consequences.

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B
Classic serologic tests for treponematosis measure the presence of two types of antibodies: tre-ponemal and nontreponemal. Nontreponemal antibodies, often called heterophile antibodies, are produced by infected patients against components of mammalian cells, whereas treponemal an-tibodies are produced against antigens of the organisms themselves.

I just wanted to write to say thanks a bunch for the answer!