Which of the following events increases variability in a population?

a. genetic drift
b. bottleneck
c. stabilizing selection
d. gene flow


d

Biology & Microbiology

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In agarose gel electrophoresis, DNA is visualized by ____

a. staining the gel with an agarose-binding dye so the gel, but not the DNA bands, fluoresces under UV light b. staining the DNA with a DNA-binging dye that fluoresces under natural light c. staining the DNA with X-gal so that the DNA bands appear blue d. staining the gel with a DNA-binding dye that fluoresces under UV light e. staining the gel with a DNA-binding dye that fluoresces under natural light

Biology & Microbiology

Substrates for biosynthesis are generated from catabolic reactions microbes use the same enzymes or different ones?

What will be an ideal response?

Biology & Microbiology

What kind of entity is a lichen?

A) an association between a fungus and a brown alga B) an association between a multicellular protist related to the brown algae and a bacterium C) an association between a fungus and cyanobacteria or green algae D) an association between a bryophyte and a fungus

Biology & Microbiology

Kineococcus radiotolerans is an example of which of the following?

A. an extremophile B. a barophile C. a mesophile D. a psychrophile

Biology & Microbiology