Why is reverse transcriptase used to produce proteins artificially?

Solution:

The process of formation of mRNA is called transcription which codes for proteins by translation...

Reverse Trancriptase is a process of formation of DNA from RNA  

This RTase is present in RNA viruses...and now a days are also used in GE.  

Reverse transcriptase is commonly used in research to apply the polymerase chain reaction technique to RNA in a technique called reverse transcription polymerase chain reaction (RT-PCR). The classical PCR technique can be applied only to DNA strands, but, with the help of reverse transcriptase, RNA can be transcribed into DNA, thus making PCR analysis of RNA molecules possible. Reverse transcriptase is used also to create cDNA libraries from mRNA. The commercial availability of reverse transcriptase greatly improved knowledge in the area of molecular biology, as, along with other enzymes, it allowed scientists to clone, sequence, and characterise DNA.  

Thus the right answer is reverse transcriptase tells you the nucleic acid code for a protein.

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