Which one of the following temperatures would most likely kill a mesophile?
a. -50℃
b. 0℃
c. 9℃
d. 37℃
e. 60℃

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Which one of the following temperatures would most likely kill a mesophile?
a. -50℃
b. 0℃
c. 9℃
d. 37℃
e. 60℃
Which of the following is not a characteristic of biofilms?
a. Antibiotic resistance
b. Hydrogel
c. Iron deficiency
d. Quorum sensing
Differentiate complex and chemically defined media.
Which of the following types of media would not be used to culture aerobes?
a. Selective media
b. Reducing media
c. Enrichment media
d. Differential media
e. Complex media
A prokaryotic cell hitched a ride to Earth on a space shuttle from some unknown planet. The organism is a psychrophile, an obligate halophile, and an obligate aerobe. Based on the characteristics of the microbe, describe the planet.
An organism that has peroxidase and superoxide dismutase but lacks catalase is most likely an
a. aerobe.
b. aerotolerant anaerobe.
c. obligate anaerobe.