1) You innoculate the following bacteria in thioglycolate medium and allow them

Question

1) You innoculate the following bacteria in thioglycolate medium and allow them to grow overnight at 37 degrees in the incubator. Next day you observe their growth patterns. Indicate in the test tubes where you would observe the growth of these bacteria. . Sample A as an example e.g. A) Obligate aerobe-growth only at TOP because they absolutely need oxygen for survival and growth. B) Obligate anaerobe C) Facultative anaerobe D) Microaerophiles E) Aerotolerant anaerobe F) Capnophiles f the bacteria mentioned at top which ones contain the enzyme superoxide dismutase and which ones do not? 2) O

Explanation / Answer

1.Obligate aerobes- Absolutely need oxygen
2. Obligate anaerobes- Grow absolutely in absence of oxygen.
3. Facultative anaerobes- Grow in absence of oxygen as well as in presence of oxygen.
4. Microaerophiles- Need oxygen as they cannot ferment anerobically.
5. Aerotolerant anaerobes- Do not use oxygen but can tolerate oxygen.
6. Capnophiles- Survive in high carbon dioxide concentrations.

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