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DNA Structure and Replication

DNA Structure and Replication
What is the name given to the points at which a DNA helix is unwound and new strands develop?

Replication forks
Leading strands
Okazaki fragments
Replication origins

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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
Leading strands
Primers

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

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

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DNA Structure and Replication
Okazaki fragments occur during

transformation
polymerase reaction
synthesis
replication

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

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

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DNA Structure and Replication
DNA polymerases I also has

3'-5'exonuclease activity
both (a) and (b)
5'-3' exonuclease activity
5'-3' endonuclease activity

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