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Bacteria Classification By Gram Staining
Part 1 of Paper
....1
Objective:
To test a sample of laboratory prepared bacteria and categorise it
according to Christian’s gram positive and gram negative classes and also by
viewing it under a high powered microscope and oil immersions; classify its
shape and note any special characteristics.
Introduction:
Bacteria was categori.... Part 2 of Paper
.... a thin coat of the
bacteria sample onto the slide 3. Cover the smear with a drop Crystal Violet
and leave standing for 20 seconds 4. Wash off the stain with distilled water;
drain and blot off the excess with bibulous paper. 5. Apply Gram’s Iodine on
the smear and leave to stand for 1 minute. 6. Drain the excess iodine and apply
95% Ethyl alcohol for 20 second duration or till the alcohol runs clearly from
the slide. 7. The smear should rinsed for a few seconds with distilled water to
st.... |
| Number of words: 751 - Approximate pages: 3 |
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