試題詳解

2. Choose the wrong one from the following statements about bacteria.
(A) In alpha-hemolysis, a green zone (incomplete hemolysis) was observed around a bacterial colony on blood agar.
(B) Purple sulfur bacteria oxidize hydrogen sulfide to sulfur and are usually photolithoautotrophs.
(C) Methylotrophs are proteobacteria that use one-carbon compounds as carbon and energy sources.
(D) Nitrifying bacteria can oxidize either ammonium to nitrite or nitrate.
(E) Members of the Staphylococcus genus are Gram-negative aerobic bacteria.