Order from us for quality, customized work in due time of your choice.
https://learn.chm.msu.edu/vibl/vibl/Catalase/catalase_HTML5Canvas.html
Above is the link to the lab.
Worksheet_Catalase Test
Name:
Table 1. Results of catalase tests using two Gram positive cocci
Bacterial species
Bubbling
Catalase Test (Positive/Negative)
1
Streptococcus pyogenes
2
Staphylococcus aureus
Critical Thinking Questions:
1. What is the purpose of the catalase test?
2. What kind of bacteria produce catalase?
3. Why does a bacterium produce catalase?
4. What are the bubbles observed in a positive reaction?
5. If a bacterial strain is catalase positive, is it always an obligate (strict) aerobe? Explain.
6. If a bacterial strain is catalase negative, is it always an obligate (strict) anaerobe? Explain.
7. If a bacterial strain is an obligate (strict) aerobe but catalase negative, what enzyme does the bacterium may use to detoxify H2O2?
Order from us for quality, customized work in due time of your choice.