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NTA AbhyasNTA Abhyas 2020Biotechnology : Principles and Processes
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The convention for naming the restriction enzymes is the first letter of the name comes from the genus and the second and the third letters come from the species of the prokaryotic cell from which they were isolated. In EcoRI, the letter 'R' is derived from the name of the strain. The roman number indicates the order in which the enzyme was isolated from the strain of bacteria.