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What is the final summary of Cutting of DNA level 51?

Answer and explanation

Correct answer: Correct restriction enzyme cuts vector and insert into planned compatible ends

Direct answer: Option A, the correct restriction enzyme cuts the vector and insert to create planned compatible ends. Recombinant DNA work begins with a map: identify the desired insert, choose suitable restriction sites, and cut both DNA molecules so their ends can join in the intended orientation. Clean DNA, accurate maps, controls, and correct reaction conditions support success. Option A is correct because compatible ends are the practical foundation for later ligation and cloning direction. Option B is wrong: converting DNA into protein is expression, not DNA cutting. Option C is wrong: a restriction enzyme is a protein, not merely salt. Option D is wrong: gel electrophoresis can separate and check fragments, so it is often useful. The summary is not that cutting alone guarantees success; it is that planned cutting is an essential step. Exam cue: cut compatible partners before ligation.

Related tags

Final SummaryCompatible EndsCloning Success

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