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Unformatted text preview: broth in the flasks did not decay or become contaminated for long periods air was allowed to freely move in or out of the flask but air-borne microbe were trapped in the curve of the neck some of the flasks still show no contamination even now over 140 years later Later experiments of Pasteur’s proved that microbes can be present in nonliving matter, solids, liquids, in air Also demonstrated that microbes can be destroyed by heat And methods can be devised to block the access of airborne microbe to nutrient environments These discoveries form the basis of aseptic techniques, techniques that prevent contaminations by unwanted microbes standard practice in laboratory and medical procedures FIRST AND MOST IMPORTANT THING YOU WILL LEARN IN LAB...
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This note was uploaded on 01/23/2012 for the course MCB MCB2010 taught by Professor Smith during the Fall '09 term at Broward College.
- Fall '09