2020 Phase-2 Biotechnology: Principles and ProcessesDiscovery of restriction endonucleases Medium Question 65 of 132 in Biotechnology: Principles and Processes

First discovered restriction endonuclease that always cuts DNA molecule at a particular point by recognising a specific sequence of six base pairs is

A Hind II
B EcoR I
C Adenosine deaminase
D Thermostable DNA polymerase

The answer is A.

Solution

Hind II was the first restriction endonuclease discovered, found to always cut DNA molecules at a particular point by recognising a specific sequence of six base pairs (a palindromic sequence).

Concept Discovery of restriction endonucleases

Biotechnology: Principles and Processes in past papers

132 questions from this chapter have appeared across 26 exam years.