Growth and Nutrition of Bacteria Starvation proteins are produced by a culture during which of the following segments of the growth curve? Exponential phase Death phase Stationary phase Lag phase Exponential phase Death phase Stationary phase Lag phase ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria An organism is completely dependent on atmospheric O2 for growth. This organism is obligate aerobe facultative anaerobe osmotolerant acidophile obligate aerobe facultative anaerobe osmotolerant acidophile ANSWER DOWNLOAD EXAMIANS APP
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) Aerobic, glucose-respiring bacteria (aerobic respiration) Ammonia-oxidizing bacteria (chemolithotrophic bacteria) None of these Photosynthetic cyanobacteria (phototrophic metabolism) ANSWER DOWNLOAD EXAMIANS APP
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 alkalophile osmotolerant acidophile aerotolerant anaerobe alkalophile osmotolerant acidophile aerotolerant anaerobe ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria A synergistic effect is observed when one organism produces a growth factor utilized by another microbial alteration of pH, aw, Eh favours the growth of another one organism removes an inhibitory substance for another All of these one organism produces a growth factor utilized by another microbial alteration of pH, aw, Eh favours the growth of another one organism removes an inhibitory substance for another All of these ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Microaerophilic bacteria are those which require oxygen for activation of enzymes 21 % oxygen for growth None of these low levels of oxygen for growth (lesser than O2 present in atmosphere) oxygen for activation of enzymes 21 % oxygen for growth None of these low levels of oxygen for growth (lesser than O2 present in atmosphere) ANSWER DOWNLOAD EXAMIANS APP
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