Biology for IGCSE & O level - Biotechnology And Genetic Modification (Section 2 - No. 34)
What is the role of a restriction enzyme in the production of human insulin?
To kill the bacteria.
To cut the human insulin gene from the DNA.
To help the bacteria reproduce faster.
To add sugar to the insulin.
Explanation
Restriction enzymes cut DNA at specific sequences, allowing the insulin gene to be isolated and inserted into a plasmid.
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