University of Chicago Microbiology Worksheet
Question Description
I’m trying to learn for my Biology class and I’m stuck. Can you help?
1. Locate Figure 1 on page 178. Read the figure legend below the figure. The arginine test is used to identify the presence of the enzyme _______________ .
2. Locate Figure 1 on page 178. Which Vibrio species is Arginine +, Lysine -, and Ornithine + (A+/L-/O+)?
3. Locate Figure 2 on page 178. Which Vibrio species can grow in the absence of salt (NaCl)?
4. Locate Figure 3 on page 178. You have a Vibrio unknown that is Arginine +, Lysine +, and Ornithine – (A+/L+/O-). You test the unknown and find that it cannot grow at 40 degrees C, it is citrate and oxidase positive, and luminescence negative. Which species is the unknown?
5. Locate Figure 7 on page 181. What test is needed to identify a Vibrio unknown that is Arginine -, Lysine -, Ornithine +, and Gelatinase +?
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