Modified antibiotics are manufactured by the technique of
A
Ultrafiltration
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B
Ultra centrifugation
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C
Vernalization
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D
Genetic engineering
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Solution
The correct option is D Genetic engineering Bacteria were the first organisms to be genetically modified. Plasmid DNA containing new genes can be inserted into the bacterial cell and the bacteria will then express those genes. These genes can code for medicines or enzymes that process food and other substrates.