Growth and Nutrition of Bacteria Starvation proteins are produced by a culture during which of the following segments of the growth curve? Death phase Lag phase Stationary phase Exponential phase Death phase Lag phase Stationary phase Exponential phase ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Organisms, using organic compounds as electron donors are called phototrophs organotrophs lithotrophs chemotrophs phototrophs organotrophs lithotrophs chemotrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Microaerophilic bacteria are those which require oxygen for activation of enzymes low levels of oxygen for growth (lesser than O2 present in atmosphere) 21 % oxygen for growth None of these oxygen for activation of enzymes low levels of oxygen for growth (lesser than O2 present in atmosphere) 21 % oxygen for growth None of these ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following organisms typically get their carbon for biosynthesis from organic compounds? None of these Ammonia-oxidizing bacteria (chemolithotrophic bacteria) Aerobic, glucose-respiring bacteria (aerobic respiration) Photosynthetic cyanobacteria (phototrophic metabolism) None of these Ammonia-oxidizing bacteria (chemolithotrophic bacteria) Aerobic, glucose-respiring bacteria (aerobic respiration) Photosynthetic cyanobacteria (phototrophic metabolism) ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following is not the characteristic of a growth curve? Plotted with logarithmic numbers Shows development of microbial population under relatively stable environmental conditions Each growth curve consists of four distinct phases Graphs numbers of microbes versus time Plotted with logarithmic numbers Shows development of microbial population under relatively stable environmental conditions Each growth curve consists of four distinct phases Graphs numbers of microbes versus time ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following has more tolerance for acidic pH (lower pH)? None of these Bacteria Yeast and moulds E. coli None of these Bacteria Yeast and moulds E. coli ANSWER DOWNLOAD EXAMIANS APP
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