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DNA Structure and Replication

DNA Structure and Replication
What is the approximate percentage of repetitive DNA sequences in human DNA?

10 to 20%
40 to 50%
30 to 40%
20 to 30%

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DNA Structure and Replication
What is the exact name of the classical Watson-Crick double helix DNA?

X-DNA
A-DNA
B-DNA
Z-DNA

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DNA Structure and Replication
A cesium chloride will separate DNA molecules by

absorption
adhesion
resorption
density

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

DNA helicases
DNA topoisomerase
single stranded binding proteins
ligase

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DNA Structure and Replication
Okazaki fragments occur on the __________ and are bonded together by __________

tRNA, polymerase
Lagging strand, ligase
Leading strand, polymerase
mRNA, anticodons

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

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

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