6. The type of recombination that commonly occurs between a pair of homologous DNA sequences is,
A. mutagenic recombination
B. site-specific recombination
C. replicative recombination
D. general recombination
7. Which of the following statement describes plasmids?
A. Another name for a protoplast
B. A complex membrane structure that covers the chromosome of bacteria
C. Small, circular DNA molecules that can exist independently of chromosomes commonly found in bacteria
D. None of the above
8. In lysogeny,
A. a bacteriophage transfers bacterial DNA
B. bacteria take up double-stranded DNA from the environment
C. DNA-degrading enzymes in the extracellular medium would stop the process
D. a bacteriophage genome is integrated into the bacterial Genome
9. A microarray differs from a gene fusion in that, it
A. carries DNA segments from many different genes
B. is not constructed by cloning
C. gives a direct measurement of mRNA level
D. all of the above
10. Who discovered transposons (jumping genes)?
A. Abelson
B. Harvey
C. McClintock
D. Griffith
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