The biological role of restriction enzymes in bacteria is to
A) repair DNA.
B) induce DNA crossover.
C) cleave foreign DNA.
D) join gaps in DNA.
E) None of the answers is correct.
Correct Answer:
Verified
Q20: Complementary, single-strand overhangs that are produced by
Q21: How can DNA fragments of various sizes
Q22: Genes can be inserted into eukaryotic cells
Q23: Comparative genomics involves
A) looking for similarities in
Q24: Which of the following DNA sequences contains
Q26: Each cycle in PCR includes
A) DNA synthesis.
B)
Q27: The first three bases of the six-base
Q28: The specificity or stringency of a PCR
Q29: The probe used to isolate a gene
Q30: Why are Met and Trp codons often
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