2
Question
There is a restriction endonuclease called Eco RI. What does ‘co’ part in it stand for?
There is a restriction endonuclease called Eco RI. What does ‘co’ part in it stand for?
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Solution
The correct option is C Coli
Restriction enzymes are named based on the organism in which they were discovered. For example, the
enzyme EcoRI was isolated from Escherichia coli, strain R. The first three letters abbreviate the genus and
species names of the organism. The fourth letter typically comes from the bacterial strain designation. The
Roman numeral indicates the order in which restriction enzymes were discovered in a particular strain.
Restriction enzymes are named based on the organism in which they were discovered. For example, the
enzyme EcoRI was isolated from Escherichia coli, strain R. The first three letters abbreviate the genus and
species names of the organism. The fourth letter typically comes from the bacterial strain designation. The
Roman numeral indicates the order in which restriction enzymes were discovered in a particular strain.
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