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In the name EcoRI, the letters Eco come from the name of the:

AGrade and series
BGenus and species
CGene and sequence
DGroup and sample
Answer & Solution
Correct answer: B. Genus and species
1. Restriction enzymes are named after their source organism. 2. The first letters stand for Escherichia coli. 3. So they come from genus and species. _Source: syllabus Biology Class XII, Chapter 11, Biotechnology Principles and Processes._
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