$c-DNA$ can be formed by

The specific palindromic sequence which is recognized by $EcoRI$ is:

Which bacterium is commonly used in genetic engineering?

What is used as a medium in gel electrophoresis?

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 $5^{\prime}-GAATTC-3^{\prime}$.

Recombinant $DNA$ can be obtained by cutting pro-$DNA$ using: