DNA Replication | class 10

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This lecture is about
DNA Replication
We have studied in Grade IX (cell cycle) that before a cell divides, its DNA is replicated (duplicated).
It is done to make the copies of the chromatids of chromosomes. During replication, the DNA
double helix is unwound and the two strands are separated, much like the two sides of a zipper.
Each strand acts as a template to produce another strand. Its N- bases make pairs with the N-bases
of new nucleotides. In this way, both template strands make new polynucleotide strands in front
of them. Each template and its new strand together then form a new DNA double helix, identical
to the original.
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