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Which science field benefited most from the discovery of restriction enzymes?

Answer and explanation

Correct answer: Modern biotechnology

Direct answer: Option A, modern biotechnology. Restriction enzymes gave scientists controlled molecular scissors for cutting DNA at chosen recognition sequences. This made it possible to isolate genes, join DNA fragments, construct recombinant DNA, insert genes into vectors, and map DNA. These methods form a foundation of modern biotechnology, including research, medicine, agriculture, and industrial applications. Option A is correct because the discovery directly enabled deliberate DNA manipulation. Option B, traditional farming only, is too narrow and does not describe the main scientific field affected. Option C, meteorology only, studies weather and is not based on DNA cutting. Option D, astronomy only, studies celestial objects and is unrelated to restriction enzymes. The word “only” makes B, C, and D especially unsuitable. Memory cue: controlled DNA cutting opened the recombinant-DNA era.

Related tags

Modern BiotechnologyDna ManipulationRestriction Enzymes

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