Physics NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 8 PCB MCQ (Single Correct)

In 1963, two enzymes were isolated from Escherichia coli one of these added methyl group to DNA while other cut DNA. The latter was called

A
Reverse transcriptase
B
Tag polymerase
C
Restriction endonuclease
D
DNA ligase

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The correct answer is:
C

In the year 1963, two enzymes responsible for restricting the growth of bacteriophage in Escherichia coli were isolated. One of these added methyl group to DNA, while the other cut DNA. The later was called restriction endonuclease.

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