11. The total biomass of an organism will be determined by the nutrient present in the lowest concentration relative to the organism’s requirements is a statement of
A. Liebig’s Law of the minimum
B. Shelford’s Law of tolerance
C. quorum sensing
D. Heisenberg’s principle of uncertainty
12. The growth is normally expressed as __________ in turbidimetric measurement
A. cells per ml
B. cfu/ml
C. optical density
D. mg N2/ml
13. Which of the following organisms typically get their carbon for biosynthesis from carbon dioxide?
A. Glucose-fermenting bacteria (fermentation)
B. Anaerobic, glucose-respiring bacteria (anaerobic respiration)
C. Aerobic, glucose-respiring bacteria (aerobic respiration)
D. Ammonia-oxidizing bacteria (chemolithotrophic bacteria)
14. 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
A. osmotolerant
B. acidophile
C. aerotolerant anaerobe
D. alkalophile
15. The straightforward method of binary fission explains how bacteria
A. grow in nutrient agar
B. evolve
C. move
D. reproduce