Q. Which of the following statement is not correct regarding $Eco$ RI restriction endonuclease enzyme? I. $Eco.$ RI restriction endonuclease enzyme is isolated from $Escherichia\ coli$ RY13 II. Its recognition sequence is 5’–GAATTC – 3’ 3’–CTTAAG – 5’ $\downarrow$ 5’ – G – A – A –T – T – C – 3’ III. Its site of cleavage is 3’ – C – T – T – A – A – G – 5’ $\uparrow$
A) I and II
B) I and III
C) I, II and III
D) None of the above
Explanation
All statements are correct [image:11_image19.emf]
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.