A microbe that grows only at the bottom of a tube of thioglycollate medium is probably a(n)

A microbe that grows only at the bottom of a tube of thioglycollate medium is probably a(n)



A) obligate aerobe.
B) facultative anaerobe.
C) aerotolerant anaerobe.
D) microaerophile.
E) obligate anaerobe.


Answer: E


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