Question

What is the source of Eco R I?

• A. Escherichia coli R I
• B. Escherichia coli R I 13
• C. Escherichia coli R Y 13
• D. Escherichia coli R X 13

Answer 1

Answer: (C)

Escherichia coli R Y 13

Answer 2

Eco R I is type II restriction endonuclease enzyme extracted from Eco R Y 13 bacteria. It can recognize and cleave 5$'$-GAATTC-3$'$ palindromic sequence and is widely used in biotechnology experiments.