After three replications of a single DNA molecule, what percent of the resulting double helices contain

one strand of the "original" DNA?
a. 0 percent
b. 25 percent
c. 50 percent
d. 75 percent
e. 100 percent


B

Biology & Microbiology

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Genome assembly relies on

A) accurate gene annotation. B) overlap of a large numbers of short sequences. C) codon bias. D) systems biology.

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According to the EC system, which is not one of the major groups of enzymes?

A) proteases B) hydrolases C) oxidoreductases D) transferases E) ligases

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After contracting SARS, about ____ percent of the infected died

a. 10 b. 25 c. 50

d. 75 e. 100

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In a species of mice, short hair is dominant to long hair. If a short-haired individual is crossed with a long-haired individual and both long- and short-haired offspring result, one can conclude that:

A: the short-haired individual is homozygous. B: the short-haired individual is heterozygous. C: the long-haired individual is homozygous. D: the long-haired individual is heterozygous. E: This cannot be answered without more information.

Biology & Microbiology