In the Laboratory, Recombinant Plasmids Are Commonly Introduced into Bacterial

question 93

Multiple Choice

In the laboratory, recombinant plasmids are commonly introduced into bacterial cells by:

• A) electrophoresis-a gentle low-voltage gradient draws the DNA into the cell.
• B) infection with a bacteriophage that carries the plasmid.
• C) microinjection.
• D) mixing plasmids with an extract of broken cells.
• E) transformation-heat shock of the cells incubated with plasmid DNA in the presence of CaCl₂.

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Definitions:

Nineteenth Century

The period from January 1, 1801, to December 31, 1900, marked by significant social, political, and industrial changes worldwide.

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