Disinfecting agents naturally produced by microorganisms are

A) aldehydes.
B) antimicrobials.
C) halogens.
D) quats.
E) triclosans.


B

Biology & Microbiology

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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.

Biology & Microbiology

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.

Biology & Microbiology

A muscle will ________ if levels of calcium and potassium decrease in the blood

Fill in the blank(s) with correct word

Biology & Microbiology

The genetic material of some viruses, such as HIV, is not DNA but is instead

A) carbohydrate. B) lipid. C) RNA. D) protein.

Biology & Microbiology