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DNA Structure and Replication

DNA Structure and Replication
An RNA primer is synthesized by

DNA topoisomerase
ligase
primase
DNA helicases

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DNA Structure and Replication
Which of the following is an active site on its single polypeptide chain for DNA Polymerase I?

5' → 3' polymerase
5' → 3' exonuclease
3' → 5' exonuclease
All of these

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DNA Structure and Replication
Enzyme, responsible for proofreading base pairing is

DNA ligase
Telomerase
DNA polymerase
Primase

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DNA Structure and Replication
In a cesium chloride gradient, DNA labeled with 15N and centrifuged will form a band

all of these
with 14N-containing DNA
below DNA containing 14N
above DNA containing 14N

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DNA Structure and Replication
The 5' and 3' numbers are related to the

the number of phosphates
the base pair rule
length of the DNA strand
carbon number in sugar

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

all of these
Polymerase II
Polymerase III
Polymerase I

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