Gel electrophoresis separates DNA molecules based on variability in their

A) nucleotide sequence.
B) affinity for agarose.
C) charge.
D) size.
E) charge and size.


Answer: D

Biology & Microbiology

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Bones store ____, which is important for nerve cell function and muscle contraction

a. calcium b. phosphorous c. potassium d. sodium e. magnesium

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Which of the following may characterize monosaccharides?

a. An amino group

b. Carbon and hydrogen 1:2 ratio c. A backbone of eight carbon atoms d. One carbonyl group e. The presence of glycerol and fatty acids

Biology & Microbiology

DNA is a polymer composed of subunits called ________

Fill in the blank(s) with correct word

Biology & Microbiology