To answer questions 72–75 refer to the five items listed below:a
restriction enzymes
b. recombinants
c. plasmids
d. clones
e. restriction sites
M 72. These are bacterial populations containing thousands
or millions of identical copies of one to several
genes.
D 73. The use of the techniques of genetic engineering to
move a novel or foreign piece of DNA into the DNA
of an organism produces DNA __________.
M 74. The pieces of DNA that are moved by a genetic
engineer from one organism to another are first
incorporated into these.
E 75. The function of these is to cut apart foreign DNA
molecules.
Answers: 72. d, 73. b, 74. c, 75. a
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