Growth and Nutrition of Bacteria An organism has an optimal growth rate when the hydrogen ion concentration is very high. This organism is acidophile aerotolerant anaerobe osmotolerant neutrophile acidophile aerotolerant anaerobe osmotolerant neutrophile ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The ability of Vibrio fischeri to produce bioluminescence chemicals only when a certain population density has been reached is an example of Liebig's law of the minimum quorum sensing Shelford's law of tolerance Heisenberg's principle of uncertainty Liebig's law of the minimum quorum sensing Shelford's law of tolerance Heisenberg's principle of uncertainty 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 Each growth curve consists of four distinct phases Shows development of microbial population under relatively stable environmental conditions Graphs numbers of microbes versus time Plotted with logarithmic numbers Each growth curve consists of four distinct phases Shows development of microbial population under relatively stable environmental conditions Graphs numbers of microbes versus time ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The growth is normally expressed as __________ in turbidimetric measurement mg N2 /ml cells per ml optical density cfu/ml mg N2 /ml cells per ml optical density cfu/ml ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following has more tolerance for acidic pH (lower pH)? Yeast and moulds E. coli Bacteria None of these Yeast and moulds E. coli Bacteria None of these ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The term obligate anaerobe refers to an organism that prefers to grow without oxygen doesn't use oxygen but tolerates it uses oxygen when present or grows without oxygen when oxygen is absent is killed by oxygen prefers to grow without oxygen doesn't use oxygen but tolerates it uses oxygen when present or grows without oxygen when oxygen is absent is killed by oxygen ANSWER DOWNLOAD EXAMIANS APP
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