Q. The first restriction endonuclease type II …A…, was isolated by Smith, Wilcox and Kelley from …B… bacterium. It was formed to cut DNA molecules at a particular point by recognizing a specific sequence of six base pairs, known as the …C… . Here A, B and C can be A B C
A) Eco RI Escherichia RY 13 Restriction sequence
B) Eco RII E. coli R 245 Recognition sequence
C) Hind II Haemophilus influenza Recognition sequence
D) Bam HI Bacillus Restriction sequence amyoliquefaciens
Explanation
The first restriction endonuclease type II was isolated by Smith, Wilcox and Kelley from Haemophilus influenza bacterium. It was formed to cut DNA molecules at a particular point of recognizing a specific sequence of six base pairs, known as the recognition sequence
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.