STANDARDBotany-Restriction Enzymes
STANDARD Botany Discovery MCQ Question
Type: MCQ-fact-Medium
In 1963, the ______ enzymes responsible for restricting the growth of bacteriophage in Escherichia coli were isolated.
A
Restriction endonuclease
B
Enzyme adding methyl groups to DNA
C
Antibiotic resistance gene
D
Both (1) and (2)
Correct Answer
Option D
Detailed Explanation
Both restriction endonucleases and methylation enzymes were discovered to restrict bacteriophage growth in E. coli.
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