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DNA Structure and Replication

DNA Structure and Replication
Telomeres are usually rich in which nucleotide?

Thymine
Cytosine
Adenine
Guanine

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DNA Structure and Replication
Okazaki fragments occur during

transformation
synthesis
replication
polymerase reaction

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DNA Structure and Replication
Which DNA polymerase removes RNA primers in DNA synthesis?

Polymerase I
Polymerase II
none of these
Polymerase III

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DNA Structure and Replication
Overwinding or overtightening of DNA during replication is caused and removed by

DNAb, DNA polymerase
DNAa, gyrase
DNAb, gyrase
Single stranded protein, DNAa

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DNA Structure and Replication
E.coli DNA polymerases II and III lack

partially 5' → 3' exonuclease activity
partially 5' → 3' endonuclease activity
5' → 3' endonuclease activity
5' → 3' exonuclease activity

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DNA Structure and Replication
DNA replication in eukaryotes occurs only in

G1 phase
S phase
G2 phase
M phase

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