题目内容

The protein that recognizes DNA replication origin of E.coli is:()

A. DnaA
B. DnaB
C. DnaC
D. ORC
E. helicase

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The recognition of replication origin by the origin recognition complex take place in the () of cell cycle in eukaryotes:()

A. G1 phase
B. G2 phase
C. M phase
D. S phase
E. G0 phase

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How many replication forks can be generated from one replication origin?()

A. 1
B. 2
C. 3
D. 4
E. more than 4

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A replicon is:()

A. Whole DNA fragments replicated in the cell division phase.
B. Replicated DNA fragments and enzymes and proteins required in this process.
C. DNA sequences replicated from one replication origin.
DNA fragments between replication origin and replication fork.

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The nucleotide sequences of nascent DNA stand are identical to the parent DNA when read from 5’→3’ direction.()

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The protein that recognizes DNA replication origin of E.coli is:()

A. DnaA B. DnaB C. DnaC D. ORC E. helicase

The recognition of replication origin by the origin recognition complex take place in the () of cell cycle in eukaryotes:()

How many replication forks can be generated from one replication origin?()

A replicon is:()

The nucleotide sequences of nascent DNA stand are identical to the parent DNA when read from 5’→3’ direction.()

A. DnaA
B. DnaB
C. DnaC
D. ORC
E. helicase