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Effectiveness of garlic in fighting bacteriaFeatured science projectScience project video
Observation

The results show that test tube B with the milk and E. Coli specimen had the largest colony of bacterial growth whereas test tube C with milk, the E Coli specimen and garlic extract did not show any signs of bacterial growth. Test tube A showed some small signs of bacterial growth probably due tocontamination during the incubation period.

Use the graph below to plot the results in the above table.

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Complexity level:
5
Project cost ($):
20
Time required:
1 day to prepare, 5 days for experiment
Material availability:
Easily found
Safety concerns:

The bacteria should be destroyed before disposal. Pour some bleach into the petri dishes to kill all the bacteria before disposing them in the trash.

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