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Lab 4 Part 2

Lab 4 Part 2

Q Water Lab • Points 6 • Submitting a text entry box or a file upload Submit the Water Lab here. For the water lab, write a summary of what you did, what your data was, and write a summary of your results and conclusions. This should include information and data from all days we worked on the water lab. I expect this writeup will be 1-2 pages long.

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During our last part of the water lab we used EMB agar plate . Main reason is to use water quality , distinguish coliform and focal that signal possible pathogenic microorganism contamination in our water samples. EMB plates are great for selective stain for Gram-negative bacteria , it contains dyes that are toxic to Gram-positive bacteria . EMB is the selective and differential medium for coliforms . Below you will see our results and the result of the other group .