BIOD 171 Portage Learning/Module 4
Exam Questions and Answers Latest
Update
True or False: Growth media is best suited for distinguishing between two similar
species of bacteria.
True
False
Growth media is designed to simply support (and not restrict) microbial growth.
A researcher is as...
True or False: Growth media is best suited for distinguishing between two similar
species of bacteria.
True
False
Growth media is designed to simply support (and not restrict) microbial growth.
Question 2
pts
A researcher is asked to determine if a sample contains Neisseria meningitides.
Knowing Neisseria meningitides is slow growing and other foreign microbes may also
be present in the culture, which type of media would be best suited?
Selective media
Selective media. If additional foreign microbes may be present in your sample and
you know Neisseria meningitides is slow growing, you must restrict the unwanted
microbes while supporting the growth of Neisseria meningitides. Thus, you are
selectively encouraging one microbes growth, while selectively restricting others.
Selective and Differential media
Differential media
Question 3
pts
What are the requirements of a fastidious microbe?
A fastidious microbe is an organism with complex growth requirements
such that if absent it will not grow. Enriched medias thus contain these
specific and essential nutrients required for the growth of a particular
subset of microorganisms.
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