12th Science Biology Extra Questions
Class 12th Science Session 2022-2023
12th Science Biology Questions Answers
Class 12 Science Important Syllabus Questions Answers 
For producing a recombinant protein (for therapeutic purpose) in large scale, which vector would you choose – a low copy number or high-copy number?
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High-copy number, because higher the copy number of vector plasmid, higher the copy number of gene and consequently, protein coded by the gene is produced in high amount.