Growth and Nutrition of Bacteria Microaerophilic bacteria are those which require low levels of oxygen for growth (lesser than O2 present in atmosphere) oxygen for activation of enzymes None of these 21 % oxygen for growth low levels of oxygen for growth (lesser than O2 present in atmosphere) oxygen for activation of enzymes None of these 21 % oxygen for growth ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following organisms typically get their carbon for biosynthesis from carbon dioxide? 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) Glucose-fermenting bacteria (fermentation) Ammonia-oxidizing bacteria (chemolithotrophic bacteria) Anaerobic, glucose-respiring bacteria (anaerobic respiration) ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The microorganisms that grow best in a low-oxygen environment is called a (n) anaerobe facultative microaerophile aerobe anaerobe facultative microaerophile aerobe ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Generation time is both (a) and (c) time required for the initial adjustment time required for the population to double obtained by expression t/n, where t = time interval, n = number of generation both (a) and (c) time required for the initial adjustment time required for the population to double obtained by expression t/n, where t = time interval, n = number of generation 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 C. botulinum Salmonella all of these S. aureus C. botulinum Salmonella all of these S. aureus ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Some organisms can use reduced inorganic compounds as electron donors and are termed as lithotrophs photo-organotrophs phototrophs chemotrophs lithotrophs photo-organotrophs phototrophs chemotrophs ANSWER DOWNLOAD EXAMIANS APP