Biology help needed with a question on Micro isolate bacterium

Biology
Tutor: None Selected Time limit: 1 Day

Rachel wants to isolate a bacterium that can degrade methylmercury in soil. Which of the following processes or techniques should she use? (Points : 2)
       
       
       
       
       

Nitrogen fixation

Nov 5th, 2015

Thank you for the opportunity to help you with your question!

The answer should be Enrichment culture, because this process is used to isolate a bacterium that is relatively few in numbers.  We create an environment for a few of these bacterium to grow. 

It would not be cell culture because cell culture is for isolating animal or plant tissue.

It would not be chemostat because we are not offering a steady supply of nutrients here.

It would not be Quorum sensing because we are not regulating the density of the bacterium.

Please let me know if you need any clarification. I'm always happy to answer your questions.
Nov 6th, 2015

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