Complementary Dna
Complementary DNA (cDNA) is a type of single stranded DNA molecule synthesized as a copy of messenger RNA (mRNA). It is used to study and analyze gene expression, as it contains only the coding regions of the gene with introns removed. cDNA is also used to study the regulation of gene expression in different cellular environments, transcription factors’ sites of action, and in the production of recombinant proteins. cDNA libraries are also used in gene and genome sequence research, as well as in drug discovery. cDNA makes it possible to study the structure and function of genes, and how they are regulated in order to better understand organisms.
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