Opening the book…
Answer the following questions:
- Define fastidious bacteria and describe why blood agar may be utilized to grow them.
- Describe the difference between alpha hemolysis and beta hemolysis. Describe what has occurred to cause the hemolysis observed.
- You have been provided with a sample of bacteria to inoculate onto a blood agar sample. You are told that the organism you are working with is known to produce streptolysin O and streptolysin S. Describe what you should observe following incubation on a blood agar plate and why you expect those results.
This page titled 3.10.3: Exercise #21 - Lab Wrap-Up was last modified on Sat, 25 Jul 2026 03:43:13 GMT and is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by Sherry Smith.
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