Which one of the following statements is not true about the disk-diffusion method of antimicrobial susceptibility testing? (Note: information about susceptibility testing can be found on the CD-ROM that accompanies this book.)
A) A pure culture of the organism is required.
B) It is also known as the “Kirby-Bauer test.”
C) The plate should be incubated in a CO2 incubator for 12 hours.
D) The test should be performed in the exact manner described by the Clinical and Laboratory Standards Institute (CLSI).
C) The plate should be incubated in a CO2 incubator for 12 hours.
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The hypothesis that H2 was a key electron donor for energy metabolism in primitive organisms is supported by it being such a common trophic strategy in Aquificae
Indicate whether the statement is true or false.
Many biologists believe that macroevolution is just an accumulation of microevolutionary events. Does this mean they assume a gradualist perspective over a punctuated one? Why or why not?
What will be an ideal response?
Which situation demonstrates only the genetic influence on a trait?
A) Hair dye turns Angela's brown hair to red. B) Sandy's hair becomes blonder when she spends time out in the sun. C) Jen has brown hair, just like her mother and father. D) Identical twins Kiera and Tanya have different colored hair.
The Kingdom Fungi, or Myceteae, consist of macroscopic fungi and microscopic fungi. Identify the microscopic fungi from the following list:
A) mushrooms B) puffballs C) kelp D) yeast