Which of the following is NOT an inhibitor of DNA and RNA synthesis?
A. Rifampin
B. Erythromycin
C. Metronidazole
D. Nalidixic acid
Ans: B. Erythromycin
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The ancestor to all plants is believed to be
a. a green alga. b. a red alga. c. a brown alga, like kelp. d. a diatom. e. a sea grass.
Which of the following examples would represent basic science?
What will be an ideal response?
Within a lab, a scientist has two samples-the first is a prion sample, while the second is a viroid sample. But those pesky labels have come off of the flasks! She wants to run a simple analysis to determine which one is which
What type of molecule would she look for to determine which one is which? A. Lipids B. DNA C. Protein D. Polysaccharides
Which one of the following food contaminations is best prevented by cooking to safe temperatures?
A) Botulism B) E. coli C) Spoilage D) Acidophilus