E. coli and example of____________?
Correct answer: C. Facultative bacteria
- A. Aerobic bacteria
- B. Anaerobic bacteria
- C. Facultative bacteria
- D. Microaerophilic
Explanation
E. coli is a facultative anaerobe because it can respire aerobically when oxygen is available but can also grow without oxygen by anaerobic respiration or fermentation. Students often choose aerobic bacteria because E. coli grows well in oxygen, overlooking its ability to grow in its absence.
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About Prokaryotic and Eukaryotic Cells
Prokaryotic cells lack a membrane-bound nucleus and complex membrane-bound organelles, whereas eukaryotic cells contain a nucleus, specialized organelles and a cytoskeleton. Comparisons include DNA organization, ribosomes, cell walls, size, division and examples such as bacteria, archaea, protists, fungi, plants and animals.
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