多选题 The characteristics of all replication origins in prokaryotes, eukaryotes and virus are:()
A. It is unique DNA sequence consisting of several short tandem repeats.
B. It is palindromic sequence that can form stable secondary structure.
C. DNA binding proteins can specific recognize these short tandem repeats.
D. It is next to the DNA sequence rich of A-T and easy to unwind.
E. It is next to the DNA sequence rich of G-C and can stable replication complex.
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The correct description about the assembly of pre-replication complex in eukaryotes is:()
A. It couples with activation of replication complex.
B. Protein Cdc6 recognizes the origin of replication.
C. Assembled pre-replication complex may not be activated for a long time
D. The pre-replication complex can be assembled in any stages of cell cycle except S phase.
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:()
A. G1 phase
B. G2 phase
C. M phase
D. S phase
E. G0 phase
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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