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DNA Structure and Replication

DNA Structure and Replication
Okazaki fragments occur during

polymerase reaction
replication
synthesis
transformation

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DNA Structure and Replication
DNA helicase is used to

None of these
break a phosphodiester bond in DNA strand
interact the double helix closely
unwind the double helix

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

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

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DNA Structure and Replication
Which of the following is an active site on its single polypeptide chain for DNA Polymerase I?

5' → 3' polymerase
3' → 5' exonuclease
5' → 3' exonuclease
All of these

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

Guanine
Cytosine
Phosphate
Uracil

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MORE MCQ ON DNA Structure and Replication

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