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 chemotrophs photo-organotrophs phototrophs autotrophs chemotrophs photo-organotrophs phototrophs autotrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Exponential phase of growth curve of bacteria is of limited duration because of accumulation of toxic metabolites exhaustion of nutrients rise in cell density all of these accumulation of toxic metabolites exhaustion of nutrients rise in cell density all of these ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The growth is normally expressed as __________ in turbidimetric measurement cells per ml mg N2 /ml optical density cfu/ml cells per ml mg N2 /ml optical density cfu/ml 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 cannot produce superoxide dismutase and/or catalase organism should be grown in an anaerobic chamber broth is sterile organism can tolerate oxygen organism cannot produce superoxide dismutase and/or catalase organism should be grown in an anaerobic chamber broth is sterile organism can tolerate oxygen ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria In the exponential phase, the cells and cell mass first increases then decreases are constant decreases double at a constant rate first increases then decreases are constant decreases double at a constant rate 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 Heisenberg's principle of uncertainty Shelford's law of tolerance Liebig's law of the minimum quorum sensing Heisenberg's principle of uncertainty Shelford's law of tolerance Liebig's law of the minimum quorum sensing ANSWER DOWNLOAD EXAMIANS APP
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