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 photo-organotrophs autotrophs chemotrophs phototrophs photo-organotrophs autotrophs chemotrophs phototrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Bacteria of genus Nitrosomonas use __________ as their electron source. H2S ammonia succinate light H2S ammonia succinate light ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following organisms typically get their carbon for biosynthesis from organic compounds? Aerobic, glucose-respiring bacteria (aerobic respiration) None of these Ammonia-oxidizing bacteria (chemolithotrophic bacteria) Photosynthetic cyanobacteria (phototrophic metabolism) Aerobic, glucose-respiring bacteria (aerobic respiration) None of these Ammonia-oxidizing bacteria (chemolithotrophic bacteria) Photosynthetic cyanobacteria (phototrophic metabolism) ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Generation time of Escherichia coli is 20 minutes 200 hours 20 days 20 hours 20 minutes 200 hours 20 days 20 hours ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following procedures uses a photocell to measure absorbance of a culture to regulate the flow of culture media? Hemostat Trubidostat Petroff-Hausser chamber Coulter Counter Hemostat Trubidostat Petroff-Hausser chamber Coulter Counter ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The combination of low levels of NaCl, NaNO3 (sodium nitrate), and slightly acid pH can prevent multiplication and toxin formation of S. aureus Salmonella C. botulinum all of these S. aureus Salmonella C. botulinum all of these ANSWER DOWNLOAD EXAMIANS APP