From which organism was the first restriction enzyme isolated?(a) Escherichia coli(b) Salmonella typhimurium(c) Bacillus cereus(d) Staphylococcus aureusThe question was asked during a job interview.Enquiry is from Tools of Recombinant DNA Technology: Restriction Enzymes topic in division Biotechnology Principles and Processes of Biology – Class 12

From which organism was the first restriction enzyme isolated?(a) Esch

1.	From which organism was the first restriction enzyme isolated?(a) Escherichia coli(b) Salmonella typhimurium(c) Bacillus cereus(d) Staphylococcus aureusThe question was asked during a job interview.Enquiry is from Tools of Recombinant DNA Technology: Restriction Enzymes topic in division Biotechnology Principles and Processes of Biology – Class 12
Answer» Correct option is (a) Escherichia COLI The explanation: The RESTRICTION enzymes are molecular scissors that CLEAVE the DNA at SPECIFIC recognition sites. They were first isolated from Escherichia coli in the year 1963.

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