Question

When making a dna library from a starting material of mrna, which enzyme is required to copy the mrna molecules into dna molecules?

Answer 1

DNA library consists of a collection of cloned DNA fragments. The enzyme that is required to copy mRNA molecules into DNA molecules is the Reverse transcriptase. A reverse transcriptase is an enzyme used to generate cDNA from an RNA template, a process known as reverse transcription. 

Answer 2

Enzyme libraries. If you want to learn mor about enzyme libraries, the link below may help https://www.creative-enzymes.com/cate/Enzyme-Libraries_100.html