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DNA Structure and Replication

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

Cri du Chat
conservative replication
semi-conservative replication
dispersive replication

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DNA Structure and Replication
Which of the following are short nucleotides strands made by DNA polymerase working in the opposite direction of the replication fork?

Lagging strand
Leading strands
Okazaki fragments
Primers

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DNA Structure and Replication
Proteins involved in opening a replication bubble are

DNA topoisomerase
ligase
single stranded binding proteins
DNA helicases

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DNA Structure and Replication
DNA gyrase in E. coli

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

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

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

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DNA Structure and Replication
When DNA polymerase is in contact with guanine in the parental strand, what does it add to the growing daughter strand?

Guanine
Uracil
Cytosine
Phosphate

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