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DNA Structure and Replication

DNA Structure and Replication
An RNA primer is synthesized by

DNA helicases
ligase
primase
DNA topoisomerase

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DNA Structure and Replication
An important difference between eukaryotic and prokaryotic DNA replication is

multiple origins of replication in eukaryotes
eukaryotic DNA polymerases are faster
more DNA polymerases are found in eukaryotes
RNA primers are not required in eukaryotes

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

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

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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
Okazaki fragments
Primers
Leading strands

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

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

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DNA Structure and Replication
30 nm wide helix with five or six nucleosomes per helix is known as

solenoid
none of these
halonoid
kinoplast

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