Question

A strain of Escherichia coli has a maximum specific growth rate of 0.8 h­¹ on a glucose based medium. If this organism is being grown in a chemostat with a dilution rate of 1.2 h­¹, then at steady state the concentration of E. coli in the same medium will

a.

increase

b.

be zero

c.

change randomly

d.

decrease

Answer: (b).be zero

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Q. A strain of Escherichia coli has a maximum specific growth rate of 0.8 h­¹ on a glucose based medium. If this organism is being grown in a chemostat with a dilution rate of 1.2...

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