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DNA Structure and Replication

DNA Structure and Replication
Messelsen and Stahl model of replication was called

semi-conservative replication
dispersive replication
conservative replication
Cri du Chat

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DNA Structure and Replication
DNA gyrase in E. coli

performs the same function as helicase in eukaryotes
can be inhibited with antibiotics
adds positive supercoils to chromosomal DNA
is required only at the oriC site

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DNA Structure and Replication
Which of the following in DNA replication and transcription are common?

utilization the same enzyme
synthesis in the 5'-3' direction
incorporation of deoxynucleotides
None of these

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

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

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DNA Structure and Replication
In an agarose gel, DNA is moving from

cathode to anode
anode to cathode
left to right
A to B

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DNA Structure and Replication
Which DNA polymerase removes RNA primers in DNA synthesis?

Polymerase I
Polymerase III
Polymerase II
none of these

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