Growth and Nutrition of Bacteria
The term aerotolerant anaerobe refers to an organism that

requires less oxygen than is present in air
is killed by oxygen
prefers to grow without oxygen
doesn't use oxygen but can grow in the presence of oxygen

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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 are aerobes
organism cannot tolerate oxygen

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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
Plotted with logarithmic numbers
Graphs numbers of microbes versus time
Each growth curve consists of four distinct phases

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