Q: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
A restriction enzyme is an enzyme that cuts DNA at particular places .
A:
A restriction enzyme , restriction endonuclease , or " restrictase " is an enzyme that cleaves DNA into fragments at or near specific recognition sites within molecules known as restriction sites .