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DNA Structure and Replication

DNA Structure and Replication
Replication in E. coli is initiated by the generation of short RNA primers using

both (a) and (b)
RNA polymerase
reverse transcriptase
primase

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DNA Structure and Replication
Reverse transcriptase produces

RNA from DNA
RNA from RNA
DNA from peptides
DNA from RNA

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DNA Structure and Replication
First evident that DNA is genetic material comes from the experiment of Griffith is

transduction
replication
translation
transformation

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DNA Structure and Replication
Which enzyme catalyzes the elongation of DNA molecules?

Helicase
DNA ligase
DNA polymerase
Primase

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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
DNA gyrase in E. coli

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

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