Growth and Nutrition of Bacteria
The generation time of a culture that produces two generations per hour is

None of these
equal to that produces three generations per hour
lesser than that produces three generations per hour
greater than that produces three generations per hour

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Growth and Nutrition of Bacteria
Which of the following organisms typically get their carbon for biosynthesis from organic compounds?

Aerobic, glucose-respiring bacteria (aerobic respiration)
Ammonia-oxidizing bacteria (chemolithotrophic bacteria)
None of these
Photosynthetic cyanobacteria (phototrophic metabolism)

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