Dna replication is a semi-discontinuous process.why it is necessary
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DNA replication
. Many of these have been isolated and studied, and all the DNA polymerases add nucleotides to a growing DNA chain exclusively in a 5' to 3' direction. Indeed, as will be discussed later, this polarity of synthesis is inherent in the chemical mechanism of DNA polymerization. So if no 3’ to 5’ synthesizing activity can be found, how is the new strand oriented 3’ to 5’ in the direction of the replication fork synthesized? The solution to this problem is discontinuous synthesis of that strand, whereas the other strand is synthesized continuously.
. Many of these have been isolated and studied, and all the DNA polymerases add nucleotides to a growing DNA chain exclusively in a 5' to 3' direction. Indeed, as will be discussed later, this polarity of synthesis is inherent in the chemical mechanism of DNA polymerization. So if no 3’ to 5’ synthesizing activity can be found, how is the new strand oriented 3’ to 5’ in the direction of the replication fork synthesized? The solution to this problem is discontinuous synthesis of that strand, whereas the other strand is synthesized continuously.
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