Which of the following statements is not correct regarding the $Eco RI$ restriction endonuclease enzyme?
$I.$ $Eco RI$ restriction endonuclease enzyme is isolated from $Escherichia \; coli \; RY13$.
$II.$ Its recognition sequence is $5^{\prime}-GAATTC-3^{\prime}$ / $3^{\prime}-CTTAAG-5^{\prime}$.
$III.$ Its site of cleavage is between $G$ and $A$ in the sequence $5^{\prime}-GAATTC-3^{\prime}$.

  • A
    $I$ and $II$
  • B
    $I$ and $III$
  • C
    $I, II$ and $III$
  • D
    None of the above

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