Growth and Nutrition of Bacteria An organism has an optimal growth rate when the hydrogen ion concentration is very high. This organism is neutrophile aerotolerant anaerobe osmotolerant acidophile neutrophile aerotolerant anaerobe osmotolerant acidophile ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The generation time of a culture that produces two generations per hour is None of these equal to that produces three generations per hour greater than that produces three generations per hour lesser than that produces three generations per hour None of these equal to that produces three generations per hour greater than that produces three generations per hour lesser than that produces three generations per hour ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following is not the characteristic of a growth curve? Shows development of microbial population under relatively stable environmental conditions Each growth curve consists of four distinct phases Plotted with logarithmic numbers Graphs numbers of microbes versus time Shows development of microbial population under relatively stable environmental conditions Each growth curve consists of four distinct phases Plotted with logarithmic numbers Graphs numbers of microbes versus time ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria A culture broth tube was very turbid at the bottom of the tube but clear at the top of the tube indicating that the organism cannot produce superoxide dismutase and/or catalase organism can tolerate oxygen broth is sterile organism should be grown in an anaerobic chamber organism cannot produce superoxide dismutase and/or catalase organism can tolerate oxygen broth is sterile organism should be grown in an anaerobic chamber ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following organisms typically get their carbon for biosynthesis from organic compounds? 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) Aerobic, glucose-respiring bacteria (aerobic respiration) ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria An organism that expends energy to grow in a habitat with a low water activity in order to maintain internal solute concentrations to retain water is acidophile osmotolerant aerotolerant anaerobe alkalophile acidophile osmotolerant aerotolerant anaerobe alkalophile ANSWER DOWNLOAD EXAMIANS APP