A plasmid is
Correct answer: B. Circular extrachromosomal DNA
- A. A chromosome
- B. Circular extrachromosomal DNA
- C. A protein
- D. A virus
Explanation
Plasmids are small, circular, extrachromosomal DNA molecules in bacteria used as vectors in genetic engineering.
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Biotechnology applies genetic engineering, cell culture and recombinant DNA methods to medicine and public health. The material includes production of insulin, vaccines and antibiotics, diagnostic techniques, gene therapy, genetically modified organisms and the ethical concerns surrounding manipulation of human genes.
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