Acidithiobacillus ferrooxidans is used for the recovery of ________ from ore
A) sulfur
B) copper
C) iron
D) sulfuric acid
E) gold
B
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Which phenotypic assay could be used to determine whether a new Streptococcus sp. is of the pyogenes or viridans group?
A) catalase assay with H2O2 B) hemolytic type after growth on a blood agar plate C) occurrence of cells being in clusters or as individual cells under a microscope D) product(s) formed during lactose fermentation
Opsin is a ____________ in photoreceptor cells
A. transmembrane protein B. light-absorbing compound C. sodium leak channel D. G protein coupled receptor
In conjugation, transformation, or transduction, the recipient bacteria is most likely to accept donor DNA
A. from any source. B. from any species of bacteria. C. from the same species of bacteria. D. only through plasmids. E. from any source AND only through plasmids.
Charles Darwin advocated a theory of evolution that involved individuals acquiring useful characteristics during their lifetimes
Indicate whether the statement is true or false