What Are Restriction Enzymes

question 32

Multiple Choice

What are restriction enzymes?

• A)Carriers of foreign DNA into a cell that "restrict" the type of DNA introduced into the cell in the recombinant DNA technique.
• B)Protective enzymes found in some bacteria that "restrict" the type of DNA allowed in the bacterial cell by catalyzing the cleaving of other types of DNA.
• C)Circular, double-stranded DNA found in the cytoplasm of bacterial cells that "restrict" the amount of DNA in the bacteria.
• D)DNA of an organism that contains genetic material that comes from another organism and "restricts" the enzymatic activity of the host.

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Definitions:

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