Simultaneous continuous and discontinuous synthesis at a replication fork by a dimeric DNA pol III (see movie at www. Circular chromosomes:…

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Simultaneous continuous and discontinuous synthesis at a replication fork by a dimeric DNA pol III (see movie at www. Circular chromosomes: decatenation by topoisomerase(s) is required. Linear chromosomes: a special enzyme called telomerase replicates the linear ends. Why is this necessary?