Approximately 99 of the microbes in the intestines are obligate anaerobes. We have plenty of blood vessels that can bring oxygen to the tissues of the intestines.
Why would there be obligate anaerobes within these areas?
A. The bacteria in the intestines are protected from exposure to the oxygen in the tissues by the lining of the intestines.
B. The bacteria consume all the oxygen in the tissue areas brought by the blood vessels, creating an anaerobic environment.
C.
The inside space of the intestines, where bacteria reside, is highly anaerobic. It is deep inside the body where oxygen cannot reach AND, unlike the surrounding tissues, it is not supplied with blood.
D. The aerobic microbes are outcompeted for nutrients in these areas by the anaerobic microbes.
Chlamydia occurs in two forms, a reticulate body and an elementary body.
Indicate whether this statement is true or false.
Rhizobium is considered an endosymbiont with plants.
Indicate whether this statement is true or false.
The process used for identifying the different carbohydrates of streptococci is called
A. Lancefield grouping.
B. CHO typing.
C. streptococci.
D. fermentation testing.
Streptomyces produce a number of antibiotics.
Indicate whether this statement is true or false.
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