File:Anaerobic.png
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Summary
Aerobically different bacteria behave differently when grown in liquid culture:
- Obligate aerobic bacteria gather at the top of the test tube in order to absorb maximal amount of oxygen.
- Obligate anaerobic bacteria gather at the bottom to avoid oxygen.
- Facultative bacteria gather mostly at the top, since aerobic respiration is advantageous (ie, energetically favorable); but as lack of oxygen does not hurt them, they can be found all along the test tube.
- Microaerophiles gather at the upper part of the test tube but not at the top. They require oxygen, but at a lower concentration.
- Aerotolerant bacteria are not affected at all by oxygen, and they are evenly spread along the test tube.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:23, 1 January 2017 | | 865 × 518 (17 KB) | 127.0.0.1 (talk) | <p>Aerobically different bacteria behave differently when grown in liquid culture: </p> <ol> <li> Obligate aerobic bacteria gather at the top of the test tube in order to absorb maximal amount of oxygen.</li> <li> Obligate anaerobic bacteria gather at the bottom to avoid oxygen.</li> <li> Facultative bacteria gather mostly at the top, since aerobic respiration is advantageous (ie, energetically favorable); but as lack of oxygen does not hurt them, they can be found all along the test tube.</li> <li> Microaerophiles gather at the upper part of the test tube but not at the top. They require oxygen, but at a lower concentration.</li> <li> Aerotolerant bacteria are not affected at all by oxygen, and they are evenly spread along the test tube.</li> </ol> |
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