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DNA Structure and Replication

DNA Structure and Replication
DNA polymerases I also has

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

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DNA Structure and Replication
Which enzyme catalyzes the elongation of DNA molecules?

DNA ligase
Primase
Helicase
DNA polymerase

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DNA Structure and Replication
Enzyme, responsible for proofreading base pairing is

DNA polymerase
Primase
DNA ligase
Telomerase

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DNA Structure and Replication
Which of the following in DNA replication and transcription are common?

None of these
utilization the same enzyme
synthesis in the 5'-3' direction
incorporation of deoxynucleotides

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DNA Structure and Replication
DNA gyrase in E. coli

performs the same function as helicase in eukaryotes
can be inhibited with antibiotics
adds positive supercoils to chromosomal DNA
is required only at the oriC site

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DNA Structure and Replication
For the DNA replication in eukaryotes, the cell cycle consists of

G2 and M phases
G1,S, G2 and M phases
G1, G2 and M phases
S, G2 and M phases

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