Growth and Nutrition of Bacteria Which of the following organisms typically get their carbon for biosynthesis from organic compounds? Photosynthetic cyanobacteria (phototrophic metabolism) Ammonia-oxidizing bacteria (chemolithotrophic bacteria) None of these Aerobic, glucose-respiring bacteria (aerobic respiration) Photosynthetic cyanobacteria (phototrophic metabolism) Ammonia-oxidizing bacteria (chemolithotrophic bacteria) None of these Aerobic, glucose-respiring bacteria (aerobic respiration) 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 Lag phase Exponential phase Death phase Stationary phase Lag phase Exponential phase Death phase ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following is the suitable temperature range for mesophiles? >40°C None of these 20-30°C 25-40°C >40°C None of these 20-30°C 25-40°C ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria All organisms require at least small amounts of carbondioxide, However, some can use CO2 as their sole source of carbon. Such organisms are termed as photo-organotrophs autotrophs chemotrophs phototrophs photo-organotrophs autotrophs chemotrophs phototrophs 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 S. aureus C. botulinum Salmonella all of these S. aureus C. botulinum Salmonella all of these ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Exponential phase of growth curve of bacteria is of limited duration because of rise in cell density exhaustion of nutrients accumulation of toxic metabolites all of these rise in cell density exhaustion of nutrients accumulation of toxic metabolites all of these ANSWER DOWNLOAD EXAMIANS APP
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