★ Systematic Bacteriology Quiz
Members of the phylum ________________, formerly known as the green nonsulphur bacteria, have primarily been associated with extreme habitats such as hot springs, and hypersaline environments where they are known as (filamentous) anoxygenic photothophs
A. Bacteroidetes
B. Chloroflexi
C. Cyanobacteria
D. Proteobacteria
Select your answer:

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Covid-19 › ViewWhere have cases been reported?
A. China
B. Italy
C. Japan
D. All of the above
Bacteriology › View
The term obligate anaerobe refers to an organism that
A. doesn’t use oxygen but tolerate it
B. is killed by oxygen
C. uses oxygen when present or grows with oxygen when oxygen is absent
D. prefers to grow without oxygen