Which of the PR lactose tubes (see above) is negative for fe…
Which of the PR lactose tubes (see above) is negative for fermentation? a. far-left tubeb. middle tubec. far right tube Would an organism that can’t ferment glucose be able to ferment lactose or sucrose? a. nob. yes What would happen if a PR sugar culture was incubated for more than 48 hours? a. false negativeb. false positive Which of the TG tubes (see below) contains an organism that is an obligate aerobe? a. Tube 1b. Tube 2c. Tube 3d. Tube 4 Where in a TG tube would an organism that can grow anaerobically and aerobically grow? a. topb. middle and bottomc. throughoutd. bottom