NEET Biology question
Why restriction endonucleases are used in genetic engineering applied molecular biology? I. Because they can cut the DNA at specific base sequence II. Because they can cut RNA at variable sites III. Because they can cut DNA at variable sites IV. Degrades the harmful proteins V. Because they can join the DNA fragments Frame your answer by choosing the correct alternative
Answer: (D)
Solution
Restriction endonucleases recognise and cut DNA (not RNA) at specific palindromic base sequences, not at variable sites; they
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