Which is correct regarding genetically engineered insulin using E.coli ?

Which one is correct regarding genetically engineered insulin using E.coli (A) difficulty in purifying (B) obtained in large unlimited quantities (C) possibility of transmission of animal diseases (D) insulin obtained varies in chemical structure

Explain genetically engineered insulin.

What is genetically engineered insulin ?

What is Genetically Engineered Insulin ?

Genetically engineered human insulin is called

Genetically engineered human insulin is called