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Q.
Recognition sequence in Eco RI is
MGIMS WardhaMGIMS Wardha 2013
Solution:
Eco Rl comes from e.co//, strain R. Eco Rl recognises dyad (mirror) sequences. Dimers sit on both strands of DNA simultaneously. Recognition site for Eco Rl is $ 5-G-A-A-T-T-C-3 $ $ 3-C-T-T-A-A-G-5 $ This DNA sequence is the six base sequence recognised by the restriction enzyme Eco Rl.