What does the sample of the given base sequence represent?
$5'-GAATTC-3'$
$3'-CTTAAG-5'$

What is a palindromic sequence?

The enzymes which are absolutely necessary for recombinant $DNA$ technology are

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

Which of the following is not used for isolation of $\text{DNA}$ from cells?

Genes of interest can be selected from a genomic library by using