What is agar used for in microbiology agar is used to

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Biochemistry
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Chapter 21 / Exercise 3
Biochemistry
Garrett/Grisham
Expert Verified
2. What is agar used for in microbiology?
1. Match the following hemolytic class with its description of activity.1. Alpha hemolysis BA. No hemolytic activity2. Beta hemolysis CB. Incomplete hemolytic activity3. Gamma hemolysis AC. Complete hemolytic activity1. Columbia CNA agar is most closely related to which media:
2. True or False: Chocolate agar gets its brown color from cocoa to produce an enriched media.
3. A researcher is studying a strain of E. coli currently growing on a MacConkey plate. However, the researcher can’t remember if E. coli is Gram-Positive or Gram-Negative. Would a Gram stain be necessary to confirm? Why or why not?
We have textbook solutions for you!
The document you are viewing contains questions related to this textbook.
Biochemistry
The document you are viewing contains questions related to this textbook.
Chapter 21 / Exercise 3
Biochemistry
Garrett/Grisham
Expert Verified
1. In an attempt to detect the presence of the pathogenic strain of E. coli O157:H7, a researcher spread a culture onto a MacConkey agar with failed results. What type of agar should they (correctly) try next? Why?
1. In Eosin Methylene Blue (EMB) agar, what color indicates the presence of E. coli?
2. Which type of agar media is best suited to support the growth of Staphylococcus?
1. What is the process of spreading a bacterial culture onto a petri dish?
2. Describe the primary advantage of using a petri dish over growing a liquid culture?

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