<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A scientist wants to extract mRNA from a cell line of interest, amplify a specific mRNA, and insert it into a plasmid so that he can transfect it into a cell in order to over-express that protein. Which of the following proteins is required for the first step of amplification of this mRNA?? A: Taq DNA polymerase, B: Ligase, C: Reverse transcriptase, D: Restriction digestion enzymes, E: RNA polymerase,  <response>: This question is asking about the first step in amplifying mRNA after it has been extracted from a cell. mRNA needs to be reverse transcribed into cDNA before it can be amplified by PCR. Reverse transcriptase is the enzyme that catalyzes this reaction, converting the mRNA into cDNA. So the correct answer should be reverse transcriptase.C: Reverse transcriptase 