Growth and Nutrition of Bacteria Organisms, using organic compounds as electron donors are called phototrophs chemotrophs organotrophs lithotrophs phototrophs chemotrophs organotrophs lithotrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following organisms typically get their carbon for biosynthesis from organic compounds? Ammonia-oxidizing bacteria (chemolithotrophic bacteria) Aerobic, glucose-respiring bacteria (aerobic respiration) None of these Photosynthetic cyanobacteria (phototrophic metabolism) Ammonia-oxidizing bacteria (chemolithotrophic bacteria) Aerobic, glucose-respiring bacteria (aerobic respiration) None of these Photosynthetic cyanobacteria (phototrophic metabolism) ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Exponential phase of growth curve of bacteria is of limited duration because of all of these exhaustion of nutrients rise in cell density accumulation of toxic metabolites all of these exhaustion of nutrients rise in cell density accumulation of toxic metabolites ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The growth is normally expressed as __________ in turbidimetric measurement mg N2 /ml optical density cells per ml cfu/ml mg N2 /ml optical density cells per ml cfu/ml 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? Stationary phase Death phase Exponential phase Lag phase Stationary phase Death phase Exponential phase Lag phase ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria A synergistic effect is observed when microbial alteration of pH, aw, Eh favours the growth of another All of these one organism removes an inhibitory substance for another one organism produces a growth factor utilized by another microbial alteration of pH, aw, Eh favours the growth of another All of these one organism removes an inhibitory substance for another one organism produces a growth factor utilized by another ANSWER DOWNLOAD EXAMIANS APP
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