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Q.

Find the incorrect statement regarding nomenclature of enzyme ‘EcoRI’

A) First letter comes from the genus

B) Second two letters come from the species

C) Letter ‘R’ is derived from restriction

D) Roman numbers following the name indicates number of phosphoester bonds it breaks

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a

A, B and C

b

B,C and D

c

A and C

d

C and D

answer is D.

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Detailed Solution

C and D are incorrect statements.

EcoRI comes from Escherichia coli RY 13. In EcoRI, the letter ‘R’ is derived from the name of strain. Roman numbers following the names indicate the order in which the enzymes were isolated from that strain of bacteria.

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Find the incorrect statement regarding nomenclature of enzyme ‘EcoRI’A) First letter comes from the genusB) Second two letters come from the speciesC) Letter ‘R’ is derived from restrictionD) Roman numbers following the name indicates number of phosphoester bonds it breaks