Growth and Nutrition of Bacteria Starvation proteins are produced by a culture during which of the following segments of the growth curve? Death phase Stationary phase Exponential phase Lag phase Death phase Stationary phase Exponential phase Lag phase 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 Graphs numbers of microbes versus time Each growth curve consists of four distinct phases Plotted with logarithmic numbers Shows development of microbial population under relatively stable environmental conditions Graphs numbers of microbes versus time Each growth curve consists of four distinct phases Plotted with logarithmic numbers ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria A synergistic effect is observed when one organism produces a growth factor utilized by another All of these microbial alteration of pH, aw, Eh favours the growth of another one organism removes an inhibitory substance for another one organism produces a growth factor utilized by another All of these microbial alteration of pH, aw, Eh favours the growth of another one organism removes an inhibitory substance for another ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following has more tolerance for acidic pH (lower pH)? E. coli Bacteria Yeast and moulds None of these E. coli Bacteria Yeast and moulds None of these 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 can tolerate oxygen broth is sterile organism cannot produce superoxide dismutase and/or catalase organism should be grown in an anaerobic chamber organism can tolerate oxygen broth is sterile organism cannot produce superoxide dismutase and/or catalase organism should be grown in an anaerobic chamber ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The microorganisms that grow best in a low-oxygen environment is called a (n) anaerobe aerobe microaerophile facultative anaerobe aerobe microaerophile facultative ANSWER DOWNLOAD EXAMIANS APP