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

Which nursing home control surface produces the most amount of bacterium colonies? My opening is that the entrance doorhandle contains the greatest amount of bacterium/bacteria colonies. I do been fascinated with bacteria and microorganisms forever since a health seminar my capture once took me to. I hoped to execute the situation that people in their domicile that bacteria does make it and empennage be dangerous, and we should be extremely c arful of our well secern because of the daintygs we cutaneous senses. bingle fact that comes to mind are coins. Coins are cognize as adept of the dirtiest things to exist ascribable to mix of bacteria from miscellany of people. My experiment was done with 8 Petri dishes, 3 25x30 publisher sheets, 10 cotton swobs, 18 oz of ve imbibeable oil jelly, have a cup of agar which should be in a stimulate with a non metal lid, 460 watts atomise and a timer. 1. first small take the jar with agar and heat it for 2 intelligent proceeding in the microwave. 2. as pour in the 8 Petri dishes. 3. arrive the lids off of the PDs (Petri Dishes) and let the agar cool in them into a jello equivalent substance. 4. Put PDs lids on. 5. Apply actually thin layer of petroleum jelly on doorknob. 6. expend one cotton swob to dab in the doorknob a few times. 7. mildly lift two lids and light touch cotton swab various places.

8. Close the lids and enounce them DK 1 and DK 2. 9. Repeat step 5 through 8 for kitchen yield and carpet. 10. Label the put out two PDs tell 1 and Control 2. 11. Record observations 4-5 times 3 days later the experiment. The variables: Independent = The nursing home surfaces Dependent = Number of bacteria colonies. Control = Untouched agar dish. The household surfaces are:... If you want to get a full essay, drift it on our website: Orderessay

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