Bacteria begin to die at 149°F (65°C), but boiling water for one minute is still a good precaution. The optimal temperature to kill bacteria in food depends on the food type. Share on Pinterest ...
Gram staining is one way scientists can identify bacteria. Gram-positive bacteria, such as Staphylococcus, appear blue or purple under a microscope when scientists apply a stain. Conversely, ...
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