Growth and Nutrition of Bacteria The growth is normally expressed as __________ in turbidimetric measurement cells per ml optical density cfu/ml mg N2 /ml cells per ml optical density cfu/ml mg N2 /ml ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following organisms typically get their carbon for biosynthesis from carbon dioxide? Glucose-fermenting bacteria (fermentation) Ammonia-oxidizing bacteria (chemolithotrophic bacteria) Anaerobic, glucose-respiring bacteria (anaerobic respiration) Aerobic, glucose-respiring bacteria (aerobic respiration) Glucose-fermenting bacteria (fermentation) Ammonia-oxidizing bacteria (chemolithotrophic bacteria) Anaerobic, glucose-respiring bacteria (anaerobic respiration) Aerobic, glucose-respiring bacteria (aerobic respiration) ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Bacteria of genus Nitrosomonas use __________ as their electron source. ammonia succinate H2S light ammonia succinate H2S light ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria An organism has an optimal growth rate when the hydrogen ion concentration is very high. This organism is acidophile neutrophile aerotolerant anaerobe osmotolerant acidophile neutrophile aerotolerant anaerobe osmotolerant ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The term aerotolerant anaerobe refers to an organism that requires less oxygen than is present in air doesn't use oxygen but can grow in the presence of oxygen is killed by oxygen prefers to grow without oxygen requires less oxygen than is present in air doesn't use oxygen but can grow in the presence of oxygen is killed by oxygen prefers to grow without oxygen ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria In the exponential phase, the cells and cell mass double at a constant rate decreases first increases then decreases are constant double at a constant rate decreases first increases then decreases are constant ANSWER DOWNLOAD EXAMIANS APP