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 broth is sterile organism should be grown in an anaerobic chamber organism can tolerate oxygen organism cannot produce superoxide dismutase and/or catalase broth is sterile organism should be grown in an anaerobic chamber organism can tolerate oxygen organism cannot produce superoxide dismutase and/or catalase ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The organism which obtain their energy from chemicals are designated as organotrophs prototrophs chemotrophs autotrophs organotrophs prototrophs chemotrophs autotrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The term aerotolerant anaerobe refers to an organism that doesn't use oxygen but can grow in the presence of oxygen requires less oxygen than is present in air is killed by oxygen prefers to grow without oxygen doesn't use oxygen but can grow in the presence of oxygen requires less oxygen than is present in air is killed by oxygen prefers to grow without oxygen ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following is not the characteristic of a growth curve? Shows development of microbial population under relatively stable environmental conditions Plotted with logarithmic numbers Graphs numbers of microbes versus time Each growth curve consists of four distinct phases Shows development of microbial population under relatively stable environmental conditions Plotted with logarithmic numbers Graphs numbers of microbes versus time Each growth curve consists of four distinct phases ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The equation used to obtain bacterial population by binary fission is log(N/No) = nlog 2 N = No2n log N/No = (0.3010) n All of these log(N/No) = nlog 2 N = No2n log N/No = (0.3010) n All 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? 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
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