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प्रश्न
How does EcoRI specifically act on DNA molecule? Explain.
स्पष्ट कीजिए
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उत्तर
EcoRI cuts the DNA between bases G and A only when the sequence GMTTC is present in the DNA. This leaves single stranded overhanging stretches at the ends. They are called sticky ends. This stickiness facilitates action of the enzyme DNA ligase.

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