What does restriction endonuclease mean?
• RESTRICTION ENDONUCLEASE (noun) The noun RESTRICTION ENDONUCLEASE has 1 sense: 1. any of the enzymes that cut nucleic acid at specific restriction sites and produce restriction fragments; obtained from bacteria (where they cripple viral invaders); used in recombinant DNA technology Familiarity information: RESTRICTION ENDONUCLEASE used as a noun is very rare.