Question

Hirudin is ______.

Options

• a protein produced by Hordeum vulgare, which is rich in lysine

• a toxic molecule isolated from Gossypium hirsutum, which reduces human fertility

• a protein produced from transgenic Brassica napus which prevents blood clotting

• an antibiotic produced by a genetically engineered bacterium Escherichia coli

Answer 1

Hirudin is a protein produced from transgenic Brassica napus which prevents blood clotting.

Explanation:

Hirudin is a protein that prevents blood clotting and can be produced in transgenic Brassica napus. It is not a barley protein, a cotton toxin, or an antibiotic from E. coli.