Micro Biology > EXAM > STRAIGHTERLINE Microbiology BIO 250L Lab 3 Quantification of Cultured Microorganisms 2022 COMPLETE (All)
STRAIGHTERLINE Microbiology BIO 250L Lab 3 Quantification of Cultured Microorganisms 2022 COMPLETE LAB WORKSHEET
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1. What was the population density of the original sample? What would have happened if you had inoculated an agar plate with 1mL of the original sample?” If the agar plate had 1mL of the original ... sample, the population density would increase a lot. “2. Did all the bacterial colonies on the countable plate(s) have a similar appearance? If not, how would you explain this?” They were all similar in some ways but not identical because of the different dilution strengths. I’ve also realized the second I took the cover off, it started to smell really bad. “3. You have performed a serial dilution of an unknown sample and counted 73 CFU on a countable plate that was marked as a 10-4 dilution and you used 0.1mL to inoculate the plate. What is the population density of the original sample? [Show More]
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