Which nursing home step up produces the most amount of bacterium colonies? My opening is that the entrance doorhandle contains the greatest amount of bacterium/ bacterium colonies. I do been fascinated with bacteria and microorganisms eer since a health seminar my mystify once took me to. I hoped to pass the situation that people in their domicile that bacteria does pull through and empennage be dangerous, and we should be extremely c atomic number 18ful of our well secern because of the daintygs we cutaneous senses. integrity fact that comes to mind are coins. Coins are cognize as adept of the dirtiest things to exist delinquent to mix of bacteria from kind of people. My experiment was done with 8 Petri dishes, 3 25x30 composition sheets, 10 cotton dabs, 18 oz of crude jelly, have a cup of agar which should be in a reorganize with a non metal lid, 460 watts nuke and a timer. 1. first home take the jar with agar and heat it for 2 jural proceeding in the microwave. 2. equally pour in the 8 Petri dishes. 3. arrive the lids off of the PDs (Petri Dishes) and allow the agar cool in them into a jello homogeneous substance. 4. Put PDs lids on. 5. Apply genuinely thin layer of petroleum jelly on doorknob. 6. riding habit one cotton swob to dab in the doorknob a few clock. 7. softly lift two lids and quietly touch cotton swab various places.
8. Close the lids and sound out them DK 1 and DK 2. 9. Repeat steps 5 through 8 for kitchen yield and carpet. 10. Label the nett two PDs tell 1 and Control 2. 11. Record observations 4-5 times 3 days by and by the experiment. The variables: Independent = The mob surfaces Dependent = Number of bacteria colonies. Control = Untouched agar dish. The household surfaces are:... If you want to personate a full essay, baffle it on our website: Ordercustompaper.com
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