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Question : Hirudin is

Answer»

a protein produced by Hordeum vulgare, which is rich in lysine
a toxic molecule isolated from Gossypium hirsutum, which reduces humn fertility
a protein produced from transgenic Brassica napus which PREVENTS blood clotting
an antibiotic produced by a genetically engineered bacterium Escherichia coli

Solution :Hirudin is a protein that STOPS blood clotting. The gene encoding hirudin was chemically SYNTHESISED. This gene was then transsferred into Brassica napus, where hirudin accumulates in seeds. The hirudin is PURIFIED and used as medicine.


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