Which of the following enzymes are used to join bits of $DNA$?

Restriction endonucleases are:

Agarose is extracted from

Which enzyme is required for the process shown in the figure below?

Collect $5$ examples of palindromic $DNA$ sequences by consulting your teacher. Better try to create a palindromic sequence by following base-pair rules.

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