2|40 Complete Questions and Correct
Answers,.
What is the role of resazurin in fluid thioglycolate medium... - Correct
answerResazurin indicates the presence of oxygen in the media
A bacterial isolate is subcultured to two blood agar plates, one of which is incubated in
an anaerobe jar, and the other is incubated on a shelf in the incubator. After incubation,
growth is observed on the plate from the anaerobe jar, but there is not growth on the
plate incubated on the incubator shelf. Based on these results how would this organism
be categorized... - Correct answerobligate anaerobe
Where would you predict an facultative anaerobe would grow in a tube of fluid
thioglycolate medium... - Correct answerthroughout the tube
The pink color in the top of the broth in an FTM tube indicates... - Correct
answerthe presence of oxygen
Both human pathogens and normal microbiota are typically classified as... -
Correct answermesophiles
Taq polymersae is a DNA polymerase enzyme that demonstrates maximal activity at
72C. The organism from which this enzyme was isolated would most likely be classified
as a... - Correct answerthermophile
Vibrio cholerae is the bacterium responsible for cholera, a GI tract infection. Normally, it
takes the ingestion of over one million bacterial cells to cause infection, but the
consumption of antacids significantly lowers this number. What does this tell you about
the likely classification of V. cholerae in terms of pH preference... - Correct
answerit is likely an alkaliphile
How does pH negatively affect the metabolism of microorganisms... - Correct
answerpH changes can denature enzymes