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DNA Structure and Replication

DNA Structure and Replication
The nicks or gaps between Okazaki fragments are eventually sealed by

DNA ligase
gyrase
polymerase
RNA ligase

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DNA Structure and Replication
An important difference between eukaryotic and prokaryotic DNA replication is

multiple origins of replication in eukaryotes
RNA primers are not required in eukaryotes
more DNA polymerases are found in eukaryotes
eukaryotic DNA polymerases are faster

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DNA Structure and Replication
The DNA polymerase in bacteria, responsible for DNA synthesis is

all of these
Polymerase III
Polymerase I
Polymerase II

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DNA Structure and Replication
The overall conclusion of the Hershey-Chase experiment was that

DNA was responsible for heredity
phage DNA was similar to bacterial DNA
proteins and DNA were responsible for heredity
the ratio of Adenine to thymine was always the same

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DNA Structure and Replication
What is the only common methylation in the DNA of eukaryotes?

Guanosine in ApGpA trinucleotides
None of these
Cytosine in CpG dinucleotides
Adenosine in GpA dinucleotides

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DNA Structure and Replication
If one cell has AT contents 40%, what will be the percentage of Guanine residue?

30%
Guanine residue can not be calculated
15%
60%

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