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Question

Hirudin is


A

An antibiotic produced by a genetically engineered Escherichia coli

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B

A lysine-rich protein produced by Hordeum vulgare

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C

An anticoagulant protein that can be obtained from transgenic Brassica napus

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D

A toxic molecule isolated from Gossypium hirsutum which reduces human fertility

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Solution

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:

  1. Hirudin is a clotting inhibitor protein.
  2. Brassica napus, which accumulates hirudin in its seeds, was genetically modified to carry its gene.
  3. Hirudin is isolated and purified before being used as a medicine.

Explanation of the incorrect option:

Option A:

  1. E.coli was used to develop novel erythromycin strains.
  2. A multitude of bacterial illnesses can be treated with the antibiotic erythromycin.
  3. E. coli to produce fresh iterations of the well-known antibiotic erythromycin.

Option B:

  1. One of the main cereal grains is barley (Hordeum vulgare L.).
  2. Barley protein contains less of the crucial amino acid lysine.
  3. 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.


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