Which of the following organelles is related to genetic engineering?

In gel electrophoresis, the separated $DNA$ fragments can be visualized only after staining the $DNA$ with a compound known as ............. followed by exposure to $UV$ radiation.

Which of the following is not a restriction enzyme?

The first discovered restriction endonuclease that always cuts $DNA$ molecules at a particular point by recognizing a specific sequence of six base pairs is:

What is the specific recognition sequence of a restriction enzyme called?

The first restriction endonuclease was isolated from which of the following?