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Proteus Mirabilis

Investigative Journal
10/05/05

Journal # 1

Today I was given my unknown broth and began my journal.

Unknown broth
a. I received unknown broth #34, a tube of distilled water, and a TSA plate of media.
b. I recorded the number of my unknown, #34, onto my Descriptive Chart.
c. I labeled my TSA plate, my tube of unknown broth, and my distilled water with my name, date, lab section, media name, and my unknown number.
Growth characteristics from broth
d. I observed the broth for growth characteristics. I characterized the surface as membranous because there was a thin film of growth at the top. The subsurface I characterized as turbid because it was very cloudy. After agitating the tube, I was able to characterize the sediment as viscid.
e. I recorded the broth growth characteristics onto my Descriptive Chart. (Brown, pg 226)
i. Surface: Membranous
ii. Subsurface: Turbid
iii. Sediment: Viscid
Four quadrant streak
f. I rolled my broth tube to get a good......


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Approximate Word Count: 2799
Approximate Pages: 12 (250 words per double-spaced page)

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