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It is concerned particularly with the forms of biological molecules and is predominantly three-dimensional and structural—which does not mean, however, that it is merely a refinement of morphology.

It must at the same time inquire into genesis and function." Polymerase chain reaction is an extremely versatile technique for copying DNA.

DNA must be administered, reach the damaged cells, enter the cell and either express or disrupt a protein. The initial approach incorporated DNA into an engineered virus to deliver the DNA into a chromosome.

The land, the rivers and the lives of the common people formed a rich heritage with marked differences from neighboring regions.The target DNA is then washed and the labeled probes that didn't hybridize are removed.The target DNA is then analyzed for the presence of the probe via radioactivity or fluorescence.PCR has many variations, like reverse transcription PCR (RT-PCR) for amplification of RNA, and, more recently, quantitative PCR which allow for quantitative measurement of DNA or RNA molecules Allele-specific oligonucleotide (ASO) is a technique that allows detection of single base mutations without the need for PCR or gel electrophoresis.Short (20-25 nucleotides in length), labeled probes are exposed to the non-fragmented target DNA, hybridization occurs with high specificity due to the short length of the probes and even a single base change will hinder hybridization.

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