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
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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.
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
After contracting SARS, about ____ percent of the infected died
a. 10 b. 25 c. 50
d. 75 e. 100
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.