I was told to record observations on aspetic manupulations , in an experiment in  a BSC wat do i have 2 do?
536481
Perhaps you mean "aseptic manipulations" in a BSC (Biological Safety Cabinet).  It sounds like you are being asked to record what you see in terms of aseptic technique.\n\nRead these for some guidance on what you might expect to see:\nhttp://www.globalrph.com/aseptic.htm\nhttp://www.ibc.umn.edu/cabinet.html\n\nCheers-
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Purpose-so you know what you are trying to accomplish and so others can quickly see what the experiment is about.\n\nHypothesis-What do you think will happen when you are doing the experiment based off of background info and other's attempts  \n\nProcedure- exactly what you are doing in the sequence you do it, so others can repeat your process\n\nResults- what did you observe, see, hear, any senses experience.  This will show others what they might expect and what your data was.\n\nConclusion- what did you learn from this experiment, how does its results effect scientific knowledge, How and why did this experiment happen.  What factors were expected and not expected.  Many other questions may fall under this section.  You are answering why did you spend so much time completing this experiment. and did everything go as you wanted it to.
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If you are trained in microbiology you can tell by eye.  Plate out the bacteria (for single colonies) onto a universal media that is suitable for your target bacteria,  ie CLED, Maconkeys, Blood, Chocolate.  Incubate until there is a growth (usually 24hrs at 37 degreees celcsius is aerobic).  Look at the plate, are the colonies uniform in appearence.\n\nIf you are using liquid culture youu could use microscopy before plating out.  Either a gram stain or a direct (wet prep). This would let you know if you had all gram positives or all gram negatives or all rods or all  cocci or a mixture.  You would still have to plate out to make sure only one colony type grows.
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Yes, you need a lab to do this! If that wasn't clear to you, this may not be the best project to try to copy!\n\nWhy not have an idea of you own, something you can do with what you have at hand at home? You might learn something!
370204
try this:\nhttp://eny3005.ifas.ufl.edu/lab1/
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You can do your own? Thats pretty cool. I always liked the bubble gum mass lab. Take like two whole packages of bubbleyum and record its mass unwrapped (not the weight, your teacher should have a mass scale). Then chew all of it for about forty minutes. Don't swallow. Record the mass of the chewed blob. It'll be less even though its still the same gum. The chewing excretes certain substances out of it (some research required there). This'll actually work for a physical science or a chemistry lab. And while your classmates are working hard on their labs you'll be blowing bubbles the whole time. Hope that helps.
821235
put bacteria under a microscope and hook it\nup to a pc and project  it would be COOL!!!!!!!
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Ask your physical sciences librarian. Usually universities subscribe to journals for online access.
620413
Do the experiment.  You might learn something.
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Try to look up some of these journals:\n\nNature, Science, PNAS or Physical Review Letters
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You could use a turbidometric method that could detect the diffraction of light through the liquid and correlate it with the amount of microbial growth in it.  \n\nYou could also use a calibrated loop to plate the liquid and then count colonies.  I know they do this with urine cultures in hospital labs at times.  The loop picks up a certain amount of liquid like 10 microliters or so and then you can correlate the growth with this 10 microliter figure.
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Try \nhttp://www.cipe.org/publications/fs/ert/e24/Agarwe24.htm
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Go with a line graph, that way you can also find out (or estimate) temperatures at times when you didnt measure it.
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Typically in a lab experiment, you read an introduction which gives you the background of the experiment.  Then you perform the expt.  You observe your results.  Then you write up your results.  My advice is as follows.  Before you even run your expt you should have a solid enough background to predict what results you should get.  In writing up a lab you should first critically think about the experiment before you do it.  Ask yourself a number of questions:  What should happen?  Why should it happen?  Then you perform your expt, then try and make scientific observations based upon what you learned. In your case, it appears that your experiment is designed to demonstrate the effect that enzymes can have on protein molecules found in gelatin.  So your prediction is prolly something like the addition of pineapple juice in gelatin will result in the the gelatin not solidifying because the enzymes in teh pineapple juice break down the proteins in the gelatin.  you performed teh expt.  The results are consistent with your prediction.  you should state that, then go on to make some logical observations.  Did you use a control, did you test any other juices, did they cause teh gelatin to not form jello?  The key to writing up lab reports is to demonstrate that you understand the goal of the lab.  Hope this helps.\n\np.s.  you should review your experiment too.  if it is the experiment that i think it is you are not supposed to get jello when you use pineapple juice or kiwi juice, because the enzymes prevent the jello from forming.  you do have results, you just need to review your experiment so you can understand what they mean.
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If you are doing a lab report, then you must have done the lab.  State a question on what the lab was about.What did you do?
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Great idea.  What is your hypothesis?  What experiment will you do?  What data will you collect?  How will you interpret it?
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Depends if you want to grow pure cultures of microbes or not. If you don't have to have pure cultures, just put your leftovers in the fridge and forget'em. ;-)\n\nIf you want to grow pure cultures, you will need to know aseptic technique and what each type of microbe likes to eat. \n\nSome will go on a defined medium. That is one that you know exactly what it in there. Some have to have something complicated that we don't know exactly what all the components are, like yeast extract, beef heart infusion, that sort of thing.\n\nThen you need to know the temperature and humidity requirements of your bug and any special atmosphere conditions it need, like low oxygen or no oxygen.\n\nIt also helps to know how to store samples of your bug for future use. Can you freeze it? or do you have to lypholyse it?\n\nHope this helps.