Which one of the following palindromic base sequences in $DNA$ can be easily cut at about the middle by some particular restriction enzyme?

Which of the following components are used ingel electrophoresis ?

$I.$ Ethidium bromide

$II.$ Restriction endonuclease

$III.$ Agarose

$IV.$ $UV$ radiation

Choose the correct option:

Biolistics (gene gun) is suitable for

Which of the following key factors, makesplasmid, the vactor in genetic engineering ?

The first restriction endonuclease type $II$ $…A..$, was isolated by Smith, Wilcox and Kelley from $…B…$ bacterium. It was formed to cut $DNA$ molecules at a particular point by recognizing a specific sequence of six base pairs, known as the $ …C….$ Here $A, B$ and $C $can be