Question

............ are the enzymes used for cutting the DNA molecule into fragments. An example for this type of enzyme is Eco RI. What do EcoR and EcoI stands for?

Answer 1

A restriction enzyme (or restriction endonuclease) is an enzyme that cuts DNA at or near specific recognition nucleotide sequences known as restriction sites.

E stands for Escherichia the genus name and co stand for coli which is the species name. R is the name of the strain and I because this is the first enzyme isolated.