The source of wild yeasts carried in a biofilm on grapes is the ________.
A. must
B. wort
C. malt
D. bloom
Answer: D
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If you are going to go fishing in fresh water you most likely will use members of which phylum and
class as bait? A. Annelida: Oligochaeta B. Molluska: Gastropoda C. Oligochaeta: Nemertea D. Polychaeta: Oligochaeta E. Lumbricus: Terrestris
What was the most significant conclusion of Griffith's experiments with pneumonia in mice?
A) S-strain bacteria can cause pneumonia. B) There is a substance present in dead bacteria that can cause a heritable change in living bacteria. C) Heat destroys the hereditary material. D) The genetic material was definitively proven to be DNA. E) Mice exposed to the S-strain bacterium became resistant to the R-strain bacterium.
An entomologist observed a locust sitting on a branch pumping its abdomen like an accordion. What is the insect most likely doing?
A. Clearing its spinnerets B. Speeding the flow of blood through its veins and arteries C. Stretching out its pedipalps D. Assisting gas exchange in the tracheal system
The antimicrobial susceptibility of a bacterium can be determined by
a. the disk diffusion test. b. the tube dilution technique. c. determining the minimum inhibitory concentration. d. all of the above.