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

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Growth and Nutrition of Bacteria
Which of the following is not the characteristic of a growth curve?

Plotted with logarithmic numbers
Each growth curve consists of four distinct phases
Graphs numbers of microbes versus time
Shows development of microbial population under relatively stable environmental conditions

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