Restriction-enzyme
noun, Biochemistry.
1.
any of a group of enzymes that catalyze the cleavage of DNA molecules at specific sites: used for gene splicing in recombinant DNA technology and for chromosome mapping.
restriction enzyme
noun
1.
any of several enzymes produced by bacteria as a defence against viral infection and commonly used to cut DNA for genetic manipulation or diagnosis
restriction enzyme re·stric·tion enzyme (rĭ-strĭk’shən)
n.
Any of a group of enzymes that cleave DNA at specific sites to produce discrete fragments, used especially in gene-splicing. Also called restriction endonuclease.
Read Also:
- Restriction-fragment
noun 1. a length of DNA cut from the strand by a restriction enzyme. restriction fragment noun 1. (genetics) a fragment of a DNA molecule cleaved by a restriction enzyme See also RFLP
- Restrictionism
[ri-strik-shuh-niz-uh m] /rɪˈstrɪk ʃəˌnɪz əm/ noun 1. a policy, especially by a national government or legislative body, of enacting restrictions on the amount of imported goods, immigration, etc.
- Restrictionist
[ri-strik-shuh-niz-uh m] /rɪˈstrɪk ʃəˌnɪz əm/ noun 1. a policy, especially by a national government or legislative body, of enacting restrictions on the amount of imported goods, immigration, etc.
- Restriction-play
noun, Checkers. 1. a limited number of opening moves that are predetermined by their chance selection from an accepted list.
- Restriction-site
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.