Research Paper on bacterial colonies in households. Includes technical information on different bacterial growth factors and examples.

Which nursing home surface produces the most amount of bacteria colonies? My opening is that the entrance doorknob contains the greatest amount of bacteria/bacteria colonies. I do been fascinated with bacteria and microorganisms constantly since a health seminar my father once took me to. I hoped to bring home the bacon the situation that people in their domicile that bacteria does inhabit and empennage be dangerous, and we should be extremely c areful of our well secern because of the daintygs we cutaneous senses. One fact that comes to mind are coins. Coins are cognize as adept of the dirtiest things to exist repayable to mix of bacteria from variety of people. My experiment was done with 8 Petri dishes, 3 25x30 newspaper sheets, 10 cotton mops, 18 oz of crude oil jelly, have a cup of agar which should be in a jar with a non metal lid, 460 watts vaporize and a timer. 1. first base take the jar with agar and heat it for 2 legal proceeding in the microwave. 2. evenly 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 corresponding substance. 4. Put PDs lids on. 5. Apply very thin layer of petroleum jelly on doorknob. 6. Use one cotton mop to dab in the doorknob a few generation. 7. lightly lift two lids and lightly touch cotton swab various places. 8. Close the lids and label them DK 1 and DK 2. 9. Repeat locomote 5 through 8 for kitchen yield and carpet. 10. Label the finishing two PDs tell 1 and Control 2. 11. Record observations 4-5 times 3 days after the experiment. The variables: Independent = The sign surfaces interdependent = Number of bacteria colonies. Control = Untouched agar dish. The household surfaces are:... If you want to get a full essay, target it on our website: OrderEssay.net

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