Exercise: Microbial Recombination And Gene Transfer

Questions for: Microbial Recombination And Gene Transfer

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 direct measurement of mRNA level
D:
all of the above
Answer: D
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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
Answer: D
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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
Answer: C
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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
Answer: D
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Recombination of virus genomes occurs
A:
by transduction
B:
by transription
C:
simultaneous infection of a host cell by two viruses with homologous chromosomes
D:
by transformation
Answer: C
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