Question

There is a restriction endonuclease called as EcoRI. What does co part in it stands for?

• A. Coli
• B. Colon
• C. Coelom
• D. Coenzyme

Answer 1

The correct option is A Coli

EcoRI is an endonuclease enzyme isolated from strains of E. coli, and is part of the restriction modification system. In molecular biology, it is used as a restriction enzyme. It creates 4 nucleotide sticky ends with 5' end overhangs of AATT.

So, the correct answer is option A.