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Morphology of bacteria deepa babin sr medical college varkala trivandrum. Dna replication starts from a specific origin bubbles form! Gene mutations ppt karl pointer.
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Cells will divide to make more cells and there must be a full copy of dna in each cell before a cell can divide into 2. At ten thousand rpm in the case of bacterial systems. In e coli, replication origin is called oric which consists of 245 base pair and contains dna sequences that are highly conserved among bacterial replication origin. The first step in dna replication is the separation of the two strands by an enzyme called helicase.