Growth and Nutrition of Bacteria A spore differs from an actively replicating bacterium in that the spore is produced during a process involving asymmetric division All of these is able to withstand more extreme conditions than the replicating cell is metabolically inactive is produced during a process involving asymmetric division All of these is able to withstand more extreme conditions than the replicating cell is metabolically inactive ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria All organisms require at least small amounts of carbondioxide, However, some can use CO2 as their sole source of carbon. Such organisms are termed as autotrophs chemotrophs photo-organotrophs phototrophs autotrophs chemotrophs photo-organotrophs phototrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The growth is normally expressed as __________ in turbidimetric measurement cfu/ml mg N2 /ml cells per ml optical density cfu/ml mg N2 /ml cells per ml optical density ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Microaerophilic bacteria are those which require 21 % oxygen for growth low levels of oxygen for growth (lesser than O2 present in atmosphere) None of these oxygen for activation of enzymes 21 % oxygen for growth low levels of oxygen for growth (lesser than O2 present in atmosphere) None of these oxygen for activation of enzymes 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 Shelford's law of tolerance quorum sensing Liebig's law of the minimum Heisenberg's principle of uncertainty Shelford's law of tolerance quorum sensing Liebig's law of the minimum Heisenberg's principle of uncertainty ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria A synergistic effect is observed when microbial alteration of pH, aw, Eh favours the growth of another All of these one organism removes an inhibitory substance for another one organism produces a growth factor utilized by another microbial alteration of pH, aw, Eh favours the growth of another All of these one organism removes an inhibitory substance for another one organism produces a growth factor utilized by another ANSWER DOWNLOAD EXAMIANS APP
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