a limited number of opening moves that are predetermined by their chance selection from an accepted list.
noun, Biochemistry. 1. the place on a DNA molecule where a restriction enzyme acts. restriction site n. A site in a DNA segment in which the bordering bases are vulnerable to restriction enzymes. Also called cleavage site.
- Restriction-site polymorphism
restriction-site polymorphism n. DNA polymorphism in which one of the two nucleotide sequences contains a recognition site for a particular endonuclease but the second lacks such a site.
adjective 1. tending or serving to restrict. 2. of the nature of a restriction. 3. expressing or implying restriction or limitation of application, as terms, expressions, etc. 4. Grammar. limiting the meaning of a modified element: a restrictive adjective. Compare descriptive (def 2b). adjective 1. restricting or tending to restrict 2. (grammar) denoting a relative […]
noun, Grammar. 1. a relative clause that identifies the antecedent and that is usually not set off by commas in English. In The year that just ended was bad for crops, the clause that just ended is a restrictive clause.