How to identify science fair bacteria in agar nutrient gel
April 2, 2009 8:08 AM Subscribe
What kinds of bacteria make red and yellow spots in agar nutrient gel?
posted by zeoslap to Science & Nature (12 answers total)
So my Kindergartener recently did a science fair project where he made up some agar gel and then tested cleaning his hands with various things to see which worked best. All manner of things grew in there, and I'd like to know what exactly.
Some bits grew kinda black and moldy, other bits white and spidery, and then there were some very vivid small red and yellow dots.
Any idea which kind of bacteria produce these different growths?