Regarding energy metabolism, the microorganisms present in tubes 1, 2, and 3 are classified, respectively, as
facultative anaerobe, obligate anaerobe, and obligate aerobe.
facultative anaerobe, obligate aerobe, and obligate anaerobe.
obligate aerobe, obligate anaerobe, and facultative anaerobe.
obligate anaerobe, obligate aerobe, and facultative anaerobe.
obligate aerobe, facultative anaerobe, and obligate anaerobe.