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 quorum sensing Shelford's law of tolerance Liebig's law of the minimum Heisenberg's principle of uncertainty quorum sensing Shelford's law of tolerance Liebig's law of the minimum Heisenberg's principle of uncertainty ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following is used to grow bacterial cultures continuously? Hemostat Coulter Counter Petroff-Hausser chamber Chemostat Hemostat Coulter Counter Petroff-Hausser chamber Chemostat ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria A spore differs from an actively replicating bacterium in that the spore is able to withstand more extreme conditions than the replicating cell is produced during a process involving asymmetric division is metabolically inactive All of these is able to withstand more extreme conditions than the replicating cell is produced during a process involving asymmetric division is metabolically inactive All of these ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The term obligate anaerobe refers to an organism that 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 prefers to grow without oxygen ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The growth is normally expressed as __________ in turbidimetric measurement mg N2 /ml cfu/ml cells per ml optical density mg N2 /ml cfu/ml cells per ml optical density 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 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 Plotted with logarithmic numbers Shows development of microbial population under relatively stable environmental conditions ANSWER DOWNLOAD EXAMIANS APP
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