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 autotrophs phototrophs chemotrophs photo-organotrophs autotrophs phototrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The term facultative anaerobe refers to an organism that requires less oxygen than is present in air uses oxygen when present or grows without oxygen when absent doesn't use oxygen but tolerates it is killed by oxygen requires less oxygen than is present in air uses oxygen when present or grows without oxygen when absent doesn't use oxygen but tolerates it is killed by oxygen ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following organisms typically get their carbon for biosynthesis from carbon dioxide? Ammonia-oxidizing bacteria (chemolithotrophic bacteria) Aerobic, glucose-respiring bacteria (aerobic respiration) Anaerobic, glucose-respiring bacteria (anaerobic respiration) Glucose-fermenting bacteria (fermentation) Ammonia-oxidizing bacteria (chemolithotrophic bacteria) Aerobic, glucose-respiring bacteria (aerobic respiration) Anaerobic, glucose-respiring bacteria (anaerobic respiration) Glucose-fermenting bacteria (fermentation) ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The growth is normally expressed as __________ in turbidimetric measurement mg N2 /ml optical density cfu/ml cells per ml mg N2 /ml optical density cfu/ml cells per ml ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The reproduction by budding occur in Bacillus subtilis Rhodopseudomonas acidophila Hyphomicrobium vulgare Both (a) and (b) Bacillus subtilis Rhodopseudomonas acidophila Hyphomicrobium vulgare Both (a) and (b) 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