The correct option is
C An anticoagulant protein that can be obtained from transgenic Brassica napus
The correct option is option C
Explanation of the correct option:
- Hirudin is a clotting inhibitor protein.
- Brassica napus, which accumulates hirudin in its seeds, was genetically modified to carry its gene.
- Hirudin is isolated and purified before being used as a medicine.
Explanation of the incorrect option:
Option A:
- E.coli was used to develop novel erythromycin strains.
- A multitude of bacterial illnesses can be treated with the antibiotic erythromycin.
- E. coli to produce fresh iterations of the well-known antibiotic erythromycin.
Option B:
- One of the main cereal grains is barley (Hordeum vulgare L.).
- Barley protein contains less of the crucial amino acid lysine.
- Barley protein is therefore of poor quality.
Option D:
The most frequently cultivated kind of cotton worldwide is Gossypium hirsutum, also referred to as Mexican cotton or upland cotton.
Final answer: Hirudin is an anticoagulant protein that can be obtained from transgenic Brassica napus.