The Replication Of Dna

The copy of the DNA is the result of the genetic of life

. The copy of the DNA is realized by the semi conservative replication, which is a process that the parental DNA combines the DNA chain. When the cell is splitting, the genetic information carried by parental DNA passed to the daughter cell totally by the precise self-replication of DNA. The parental DNA must synthesis the new molecular by using its molecular as a model. The mission of the carrier of the genetic information is completed only after two precise copies and distributing to the two daughter cells. It is very importance of the duplex structure to maintain the stationary of the genetic material and the precise of the copy. The copy of the duplex DNA is a complex process. In the start, the extend, the end of copy, it all need many enzymes and proteins to participate no matter the prokaryote or the eucaryon. Watson and Crick had a discussion of the process of the copy of the DNA when they presented the duplex structure of the DNA. In 1958, Meselson and Seahl studied the eschera coil marked by 15N for 3 centuries, and proved the semi conservative replication firstly. The experiment has proved that no matter the prokaryote or the eucaryon the DNA of them all inherited by using semi conservative replication. Many experiments have proved that the copy of DNA is started with a settled spot, the copy unit of the organism was named replicon generally. A replicon has one start point of copy. The copy of DNA copies starting at a settled spot and the same speed. Drawing a conclusion, the copy spot is fixed for the genome of organism. It is a similarity that most copies of the double chain of DNA use the way of semi conservative replication. But the living form of the molecular of DNA is in great difference, the state of function also differs from each other. Now, we all know that DNA is the material base, and gene is the DNA sequence which has the special function. And all it leads to the structure of DNA. It works in the heredity because of its mysterious order. The structure of DNA splits into three parts: the first structure, the second structure, the advanced structure. These are the basic explanation of the structure. I think if you want to know more about it, buying some professional books is a proper choice.

by: DJDROGBA

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