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AP Bio Campbell 7E Chapter 20 Test Bank

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Ch 20 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. Plasmids are important in biotechnology because they are a. a vehicle for the insertion of foreign genes into bacteria. b. recognition sites on recombinant DNA strands. c. surfaces for protein synthesis in eukaryotic recombinants. d. surfaces for respiratory processes in bacteria. e. proviruses incorporated into the host DNA. ____ 2. If you discovered a bacterial cell that contained no restriction enzymes, which of the following would you expect to happen? a. The cell would be unable to replicate its DNA. b. The cell would create incomplete plasmids. c. The cell would be easily infected and lysed by bacteriophages. d.

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