Bio-engineered

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I am not a biochemist, but let me take a stab at it. If Julie or WithHope are lurking around, they could correct my mistakes.

Based on an abstract I found, “bio-engineered” means that the scientists made the gene that makes the hormone and then stuffed it into [I]E. coli[/I] cells. A particular protein that the [I]E. coli[/I] made was then collected and purified. The protein was broken apart to yield the hormone, which was then purified even further.

So, they did not use corn, but yes, they messed with the DNA of a particular substrain of [I]E. coli.[/I]

~MarkEns