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 phototrophs photo-organotrophs autotrophs chemotrophs phototrophs photo-organotrophs autotrophs chemotrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Postgates assay technique is useful in determining if a cell is viable even though it is incapable of cell division an obligate aerobe too small to see a thermophile incapable of cell division an obligate aerobe too small to see a thermophile 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 generation time of a culture that produces two generations per hour is None of these greater than that produces three generations per hour lesser than that produces three generations per hour equal to that produces three generations per hour None of these greater than that produces three generations per hour lesser than that produces three generations per hour equal to that produces three generations per hour ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following organisms typically get their carbon for biosynthesis from organic compounds? Photosynthetic cyanobacteria (phototrophic metabolism) Ammonia-oxidizing bacteria (chemolithotrophic bacteria) None of these Aerobic, glucose-respiring bacteria (aerobic respiration) Photosynthetic cyanobacteria (phototrophic metabolism) Ammonia-oxidizing bacteria (chemolithotrophic bacteria) None of these Aerobic, glucose-respiring bacteria (aerobic respiration) ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria In the exponential phase, the cells and cell mass decreases first increases then decreases double at a constant rate are constant decreases first increases then decreases double at a constant rate are constant ANSWER DOWNLOAD EXAMIANS APP
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