Exercise: Dna Structure And Replication

Questions for: Dna Structure And Replication

The RNA primers used to initiate replication in E. coli
A:
result in Okazaki fragments on leading strand
B:
are removed by Pol I
C:
are joined together by DNA ligase
D:
are removed by helicase + ATP
Answer: B
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Okazaki fragments occur on the __________ and are bonded together by __________
A:
Leading strand, polymerase
B:
mRNA, anticodons
C:
Lagging strand, ligase
D:
tRNA, polymerase
Answer: C
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Automated DNA sequencing uses the chain termination method
A:
but with an oligonucleotide primer labeled with a fluorescent dye
B:
but with a polynucleotide primer labeled with a fluorescent dye
C:
with no primer
D:
either (b) or (c)
Answer: A
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There is a single origin for DNA replication in bacteria. How many origins of replication are found in the much larger genomes of eukaryotes such as mammals?
A:
One
B:
About 100
C:
Thousands and tens of thousands
D:
none of these
Answer: C
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What is the IUPAC code for an A, C, T ambiguity in a nucleic acid sequence?
A:
B
B:
H
C:
S
D:
None of these
Answer: B
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