Oxygen requirements for prokaryotes

Shawn O'Malley somalley at net1plus.com
Mon Sep 9 21:40:53 EST 1996


I just attended my second lecture to intro to Microbiology. In lecture I
learned that there are certain bacteria that can only reproduce in an
oxygen concentration of about 5%.
Since our atmosphere is about 21% oxygen could you just take a vessel and
reduce the pressure to .25 atmospheres to achieve this 5%, or is it
necessary to prepare a special mixture of hydrogen, nitrogen, and the
required 5% oxygen.  Just curious.





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