Growth and Nutrition of Bacteria Which of the following organisms typically get their carbon for biosynthesis from organic compounds? 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) Aerobic, glucose-respiring bacteria (aerobic respiration) Ammonia-oxidizing bacteria (chemolithotrophic bacteria) ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria A culture broth tube was very turbid at the bottom of the tube but clear at the top of the tube indicating that the organism cannot produce superoxide dismutase and/or catalase broth is sterile organism can tolerate oxygen organism should be grown in an anaerobic chamber organism cannot produce superoxide dismutase and/or catalase broth is sterile organism can tolerate oxygen organism should be grown in an anaerobic chamber 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 Which of the following is not the characteristic of a growth curve? Each growth curve consists of four distinct phases Plotted with logarithmic numbers Graphs numbers of microbes versus time Shows development of microbial population under relatively stable environmental conditions Each growth curve consists of four distinct phases Plotted with logarithmic numbers Graphs numbers of microbes versus time Shows development of microbial population under relatively stable environmental conditions ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Generation time of Escherichia coli is 20 minutes 200 hours 20 days 20 hours 20 minutes 200 hours 20 days 20 hours ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The organism which obtain their energy from chemicals are designated as autotrophs organotrophs prototrophs chemotrophs autotrophs organotrophs prototrophs chemotrophs ANSWER DOWNLOAD EXAMIANS APP
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