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BIO 171 M4 Module 4 Review Essential Microbiology with Lab Dalbey Portage Learning $17.99   Add to cart

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BIO 171 M4 Module 4 Review Essential Microbiology with Lab Dalbey Portage Learning

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BIO 171 M4 Module 4 Review Essential Microbiology with Lab Dalbey Portage Learning

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  • October 18, 2024
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  • 2024/2025
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  • BIO 171 M4 Essential Microbiology
  • BIO 171 M4 Essential Microbiology
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BIO 171 M4 Module 4 Review Essential
Microbiology with Lab Dalbey Portage
Learning




What is another name for a liquid growth media, and what are the basic
components? -<<<ANSWER>>>Growth media in a liquid
form is often referred to as nutrient broth. As the name
implies its composition consists primarily of essential
'ingredients' such as a rich source of sugars, amino acids and
vitamins. Together, a nutrient broth provides the microbe
with a source of carbon/energy, which, in turn, encourages
its expansion.



What is selective media? -<<<ANSWER>>>Selective media allows for
only the growth of certain microbes while restricting the
growth of all others

, What is differential media -<<<ANSWER>>>Differential media is used
to distinguish between two (or more) related microbes.

Is media distinguish two often related microbes. Ex: E. Coli and
salmonella. They can grow up in a differential media but
only E. Coli would react to lactose and become red colored
while salmonella will stay white/tan in color.



What are the requirements of a fastidious microbe? -
<<<ANSWER>>>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.



What is agar? -<<<ANSWER>>>In its simplest form agar is liquid
growth media that has had a hardening agent added to it.
Agar is created when a polysaccharide derived from
seaweed (algae) extract is added to growth media. Agar is
used to create a solid, smooth surface on which microbes can
grow.

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