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  1. cDNA library is a powerful and useful tool in the area of biotechnology.
  2. It is helpful in expressing eukaryotic genes in prokaryotes, which helps in the transcription process of prokaryotes.
  3. It is used to isolate DNA sequences to code mRNA.
  4. Advantage of cDNA library is to isolate homologous genes.
  5. It is also used for the screening genomic libraries to isolate specific cDNA.
  6. cDNA of proteins can facilitate to generate antibodies and monoclonal antibodies.
  7. The most important application of cDNA library is to study expression of mRNA.
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