Disinfecting agents naturally produced by microorganisms are
A) aldehydes.
B) antimicrobials.
C) halogens.
D) quats.
E) triclosans.
B
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In eukaryotes, specific transcription factors have two distinct domains:
A. a DNA-binding domain and a RNA-binding domain. B. a DNA-binding domain and an activation domain. C. a DNA-binding domain and a repressor domain. D. a DNA-binding domain and an enhancer domain. E. a DNA-binding domain and an operator domain.
In the developed countries of the world, MOST intestinal infections are transmitted via
A) water. B) person-to-person contact. C) food. D) hospital contamination.
A muscle will ________ if levels of calcium and potassium decrease in the blood
Fill in the blank(s) with correct word
The genetic material of some viruses, such as HIV, is not DNA but is instead
A) carbohydrate. B) lipid. C) RNA. D) protein.