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Question

Which is the specific DNA sequence where Eco R1 cuts?


A
ATTCGATAAGCT
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B
GAATTC CTTAAG
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C
GCTTAA CGAATT
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D
GTTCAA CAAGTT
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Solution

The correct option is A GAATTC CTTAAG
EcoRI is the restriction enzyme, derived from Escherichia coli, strain R and is the first to be isolated. Eco RI recognises and cuts at the specific restriction site GAATTC CTTAAG. This is the common enzyme which is used as a tool for restriction of the bacterial plasmid and desired genes in the molecular biology techniques. 
Thus, the correct answer is option B. 

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Biology

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