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 Microaerophilic bacteria are those which require None of these 21 % oxygen for growth low levels of oxygen for growth (lesser than O2 present in atmosphere) oxygen for activation of enzymes None of these 21 % oxygen for growth low levels of oxygen for growth (lesser than O2 present in atmosphere) oxygen for activation of enzymes ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The combination of low levels of NaCl, NaNO3 (sodium nitrate), and slightly acid pH can prevent multiplication and toxin formation of Salmonella S. aureus C. botulinum all of these Salmonella S. aureus C. botulinum all of these ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The generation time of a culture that produces two generations per hour is None of these greater than that produces three generations per hour equal to that produces three generations per hour lesser than that produces three generations per hour None of these greater than that produces three generations per hour equal to that produces three generations per hour lesser than that produces three generations per hour ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The period between inoculation of bacteria in a culture medium and beginning of multiplication is known as decline phase log phase lag phase stationary phase decline phase log phase lag phase stationary phase ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Starvation proteins are produced by a culture during which of the following segments of the growth curve? Lag phase Death phase Exponential phase Stationary phase Lag phase Death phase Exponential phase Stationary phase ANSWER DOWNLOAD EXAMIANS APP