Biology Fill in blanks.

The cutting of DNA at specific sites became possible with the discovery of _________ the enzyme called as molecular scissors.

The process of separation and purification of expressed proteins before sending them to the market is called _________.

In transgenic organism, expression of the transgene in the target tissue is determined by a _________.

pBR322 vector carry the resistance gene for _________.

The vector used for gene cloning in most of the dicotyledonous plant is _________ and in animal cell is _________.

The process of separating the separated strips of DNA by cutting them from agarose gel is called _________.

Nontransformants are separated from transformants by _________.

The DNA segments obtained with similar types of sticky ends when cut by the same restriction enzyme are joined together with the help of _________.

Till now more than _________ restriction enzymes have been discovered which have been isolated from more than _________ bacterial strains.

_________ enzymes are called molecular scissors.

DNA is stained with _________ to be seen under electrophoresis.