Which microbe is most likely to survive the grilling during your spring break vacation?
a. gram + streptococcus
b. gram - e coli
c. bacillus endospore
d. human immunodeficiency virus
Answer: c. bacillus endospore
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Jacques Monod and François Jacob deduced the mechanism responsible for the regulation of bacterial gene expression. They are, therefore, responsible for launching the era of
A) the scientific method. B) molecular genetics. C) biochemistry. D) light microscopy. E) radioisotopes.
Nestle is the world's largest packaged food manufacturer and Switzerland's largest company. How much of its revenue comes from Switzerland?
A) less than 2% B) about 20% C) around 50% D) over 80%
What stimulates ovulation?
A. Estradiol B. FSH C. LH D. Testosterone E. Progesterone
In the Griffith experiment, why did the mice become ill when injected with a mixture of dead S bacteria and live, capsuleless R bacteria?
A. RNA was passed from the dead virulent S bacteria to the live nonvirulent R bacteria. B. The virulent S bacteria were not 100% dead and so were still able to make the mice ill. C. Protein was passed from the dead virulent S bacteria to the live nonvirulent R bacteria. D. DNA was passed from the dead virulent S bacteria to the live nonvirulent R bacteria. E. RNA was passed from the live R bacteria to the dead S bacteria, bringing them back to life.