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Class 12th Biology 2014 Set1 Delhi Board Paper Solution

Question 14

Explain with the help of a suitable example the naming of a restriction endonuclease.


The naming of a restriction endonuclease is done in the following way:

Ist letter represents the genus of the organism from which the enzyme is derived.

IInd and IIIrd letters represent the species of the organism.

IVth letter represents the name of the strain.

Roman number represents order of isolation. For example, In EcoRI − Derived from E.coli, strain R. It is the Ist to be discovered.