This is for those of you who are teachers which is the entire audience. If you ever get something growing on an agar plate, that looks kind of like a bacterium, but your not sure if the colony is a bacterium or yeast. I have a quick way for you to distinguish bacterial colonies from yeast colonies. If you place the plate upside down under low power (10 x) of a microscope, look at the edge of the colony, and if you see individual cells at the edge of the colony, I guarantee you, you have a yeast. That's very quick. That's just a little expertise type of thing to tell you. Try it out sometime.

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