Growth and Nutrition of Bacteria
An organism that expends energy to grow in a habitat with a low water activity in order to maintain internal solute concentrations to retain water is

osmotolerant
aerotolerant anaerobe
alkalophile
acidophile

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

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

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Growth and Nutrition of Bacteria
Generation time is

obtained by expression t/n, where t = time interval, n = number of generation
time required for the initial adjustment
both (a) and (c)
time required for the population to double

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