Name Elizabem Knavkina ate: 920L Lab Section tained? LABORATORY REPORT Acid-Fast
ID: 147583 • Letter: N
Question
Name Elizabem Knavkina ate: 920L Lab Section tained? LABORATORY REPORT Acid-Fast Staining PURP OSE unders tand nou acud-Fast ln s erform a wim mans c EXPECTED RESULTS 1. What color will an acid-fast organism stain in the acid-fast stain? 2. What color will a non-acid-fast cell stain in the neid-fast stain? Blue RESULTS Sketch a few bacteria (viewed with the oil immersion objective lens). Escherichia coli Demonstration Slide smegmatis Bacterium Total magnification Morphology Color Acid-fast reaction CONCLUSIONS 1. Which bacterium was acid-fast? 2. Did the acid-fast stai ned sputum slide indicate a possible positive test for tuberculosis?Explanation / Answer
Mycobacterium smegmatis is an acid-fast bacterial species.
bacillus shape
Pink.
Escherichia coli is a NON-ACID-FAST bacterium.
appears blue rod-shaped bacterium.
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