<Ul> <Li> See locations and sequences of the replication termini of E. coli. (A) Map showing the ori and the 10 Ter sites . (B) The consensus sequence of Ter. (3) </Li> </Ul> <Li> See locations and sequences of the replication termini of E. coli. (A) Map showing the ori and the 10 Ter sites . (B) The consensus sequence of Ter. (3) </Li> <P> The Ter sites specifically interact with the replication terminator protein called Tus in E. coli . The Tus - Ter complex impedes the DNA unwinding activity of DnaB in an orientation - dependent manner . </P> <Ul> <Li> The crystal structure of the Ter DNA - Tus protein complex (A) showing the nonblocking and the fork - blocking faces of Tus . (B) A cross-sectional view of the helicase - arresting surface. (4) </Li> </Ul>

How many dna-pol iii holoenzyme are present in the replication of a circular chromosome