The counterpart of DNA is the process to copy a molecule bicat�naire DNA to form two molecules bicat�naires. [1] [2] the process of the counterpart of DNA is a fundamental process employed by all the organic matter because this is used as a basis for the biological transmission. Because each bank of DNA holds same genetic information, the two banks can be used as gauges with the reproduction of complementary bank. The bank of gauge is preserved in its totality and the new bank is assembled starting from nucleotides. This process is called semiconservative counterpart . The molecules bicat�naires while resulting from DNA are identical; the correction on tests and the control mechanisms of errors exist to be ensured close to perfect fidelity. The � in a cell, retorts DNA must occur before the cellular division can occur. The synthesis of DNA starts at the specific places in the genome, called origins , where the two banks of the DNA are separate. [3] The fastener of starters of ARN with the simple DNA failed and the DNA polymerase Of enzymes prolongs the starters with new banks of form of the DNA, adding nucleotides matched to bank of gauge. The course of the DNA and the synthesis of new banks forms a fork of replication. In addition to the DNA polymerase, a certain number of other proteins are associated with the fork and help with the release and following the synthesis of DNA.
The counterpart of DNA can also be carried out artificially, using the same enzymes used in the cell. DNA polymerases And the artificial starters of DNA are used to launch the synthesis of DNA to the orders known in a molecule of gauge. Amplification chains some by reaction (ACP), a common technique of laboratory, uses the artificial synthesis in a cyclic way amplify with quickly and specifically a fragment of DNA of target of a swimming pool of the DNA.
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Article
The counterpart of DNA
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