Where can I find samples of something produced by bacteria?
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E.g. Yoghurt is product of bacterial fermentation (lactic acid bacteria - e.g. Lactobacillus cessei, Lactococcus lactis, Streptococus thermophilus, ...) some cheeses, too.\n\nBut definitely NOT beer or bread. These are products of yeast fermentation (Saccharomyces cerevisiae) which is NOT bacterium, but fungus. Molds on brea are NOT bacteria too.\nThere is a big difference between BACTERIA and FUNGI(prokaryotic and eukaryotic organisms).\n\nI hope this can help you.
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Find a question that relates to the local area you live in, something you may have noticed, or has controversy.  A saying I like is "One measurement is worth a thousand expert opinions", which is the essence of science.  So find something to measure.  When I was in school (a long time ago) people I knew wondered about whether the local creek was clean enough.  Kids played in the creek and some people fished in it, but I thought it shouldn't foam and have a not quite clear look.  So, I got some sterile petri dishes from the biology lab, got some q-tips, and talked the local hospital pathologist into helping me.  If you need help, ask, you might be surprised, it turned out he was curious too.  Anyway, I learned a bit about how to identify bacteria and yes, the creek was polluted-bad!  I made the front page of the local paper.  I'm not saying do this, but think of a local problem and measure it.  Hope this helps.
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Try chemdex.\n\nhttp://www.chemdex.org/
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bacteria, viruses, cyanobacteria or fungi?  or do you mean specific examples
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USE DIFFERENT STAINING FOR BACTERIA EX. GRAM STAINING. LOOK UP DIFFERENT BACTERIA STAINING
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Here is a link: \n\nhttp://www.scienceprojects.com/dairybacteria.htm\n\nwww.bacteriamuseum.org is a great resorce for Micro.
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This is a great source for you:\nhttp://www.blackwellpublishing.com/ogunseitan/student.asp\nEnjoy the microbes!\n;-D
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This link is one of the better microbiology websites that I've used.\n\nhttp://www.textbookofbacteriology.net/
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Lots of microbes produce pectinase.\nThose can be isolated from fruit skin, and other high pectin containing natural resources.
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Prokaryotes ie; bacteria
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Hmmm... judging by your interest in cleaning products and dishwashing detergents, I'm guessing you're in that industry or just a student looking for some answers for a project.\n\n-Insufficient data - \nAre you referring to dishwater in a more sterile kitchen or a dirty restaurant?  Is the piping clean or are we talking rusty piping?  Filtered water or non filtered water? Hmmm... so, at STP you want to figure out this. \n\nHere's what you would need.  First figure out the type of microbes that would typically exist in your sink.  Or if you don't have one, get some kind of bacteria.  Take the whole thing, perform your experiment.  Take some water samples.  Finally, send the water samples to a lab immediately for a count.  You could get a concentration of microbes per given volume.  My advice -- it's all I can do.
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To isolate it, take a sample, dilute it then take a sample from that & spread it on a sterile petri-dish.\n\nYou can then take a sample from a pure culture.
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http://www.sciencemag.org
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Chemexper.com its super cool , type in the name of the compound and it will give you a ton of info about the thing you are looking at. I order chemicals off of it but it was really useful in researching for my Ochem labs as well.
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http://ca.expasy.org/tools/\nhttp://www.biochem.ucl.ac.uk/bsm/biocomp/
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Check out the source links below. I found a few places with some.
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http://www.themoviechicks.com/mid2005/mctupforgrabs.html