The various techniques by which scientists manipulate DNA in the lab are called

A. gene probes.
B. genetic engineering.
C. biotechnology.
D. recombinant DNA.
E. gel electrophoresis.


Answer: B

Biology & Microbiology

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Differentiate between the following terms: primates, anthropoids, hominoids, and hominids. What will be an ideal response?

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Which of the following must bring in a virion-associated RNA-dependent RNA polymerase when it infects host cells?

A. +dsRNA viruses B. ?ssRNA viruses C. +ssRNA viruses D. All of the choices are correct.

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Oxygen atoms gain two electrons when they react. Write the symbol of the ion that results. Is it a cation or anion?

What will be an ideal response?

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