Growth and Nutrition of Bacteria Which of the following organisms typically get their carbon for biosynthesis from carbon dioxide? 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) Ammonia-oxidizing bacteria (chemolithotrophic bacteria) Aerobic, glucose-respiring bacteria (aerobic respiration) ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria A culture broth tube was very turbid at the surface but clear throughout the rest of the tube indicating that the organism should be grown in an anaerobic chamber organism cannot produce superoxide dismutase and/or catalase organism cannot tolerate oxygen organism are aerobes organism should be grown in an anaerobic chamber organism cannot produce superoxide dismutase and/or catalase organism cannot tolerate oxygen organism are aerobes ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Pseudomonas pseudoflava can grow as none of these both (a) and (b) chemo-lithotrophs chemo-organotrophs none of these both (a) and (b) chemo-lithotrophs chemo-organotrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following is not the characteristic of a growth curve? Each growth curve consists of four distinct phases Plotted with logarithmic numbers Shows development of microbial population under relatively stable environmental conditions Graphs numbers of microbes versus time Each growth curve consists of four distinct phases Plotted with logarithmic numbers Shows development of microbial population under relatively stable environmental conditions Graphs numbers of microbes versus time ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria What is the primary source of food for marine life? Grass Zooplankton Phytoplankton Sea weed Grass Zooplankton Phytoplankton Sea weed ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria During exponential growth, the growth rate is both (a) and (b) none of these number of generations per unit time reciprocal of generation time both (a) and (b) none of these number of generations per unit time reciprocal of generation time ANSWER DOWNLOAD EXAMIANS APP