E.coli was incubated with aeration in a nutrient medium containing two carbon sources provided one at a time,  and the following growth curve was made from this culture. a. Explain what happened at the time marked x.  b. Which substrate provided “better” growth conditions for the bacteria? How can you tell?

Body Structures & Functions
12th Edition
ISBN:9781285695495
Author:Scott
Publisher:Scott
Chapter3: Cells
Section: Chapter Questions
Problem 5CAC
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E.coli was incubated with aeration in a nutrient medium containing two carbon sources provided one at a time,  and the following growth curve was made from this culture.

a. Explain what happened at the time marked x

b. Which substrate provided “better” growth conditions for the bacteria? How can you tell? 

Time
Log10 of number
of cells
Transcribed Image Text:Time Log10 of number of cells
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