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Hello students in this question they have asked about the sequence of events involved in dna replication process.
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Dna replication is the process by which dna makes copy of itself during cell division.
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The first step is recognition of initiation point by the initiation proteins.
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The second step is unwinding of the double -stranded dna.
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This forms a bubble or a fork where the unwinding proteins get attached at the point which helps in the separation of the strands of the dna duplex.
01:02
And this results in the single -stranded dna called template dna on which the dna is synestranded hence the third step would be formation of template dna after unwinding.
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The fourth step is formation of rna primer by the rna polymerase enzyme.
01:39
These primers are preformed polynucleotide chain which are necessary to start the synthesis of dna and they are produced by the the rna polymerase enzyme on the template dna.
01:54
The fifth step is chain elongation as the new strand of dna is formed due to the dna polymerase 3 enzyme which adds the nucleotides in the 5 prime to 3 prime direction and this activity of the polymerase is called as polymerizing.
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Polymerizing by the dna polymerized enzyme.
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The sixth step is formation of okazaki fragments.
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In the replication fork, one strand is called as leading string which is continuous, whereas other strand is called as lagging strand where the synthesis is discontinuous.
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Therefore, the synthesis of dna on this discontinuous strand is opposite.
03:10
To the movement of replication folk and occurs as fragments, hence it is called as okazaki fragments...