▁or ▁remove ▁specific ▁gen es , ▁a ▁very ▁powerful ▁tool ▁especially ▁when ▁it ▁comes ▁to ▁modifying ▁an ▁organ ism ' s ▁gen ome . ▁ ▁References ▁ ▁Category : M ole cular ▁bi ology ▁Category : B acter ial ▁en zym es ▁Category : Rest riction ▁en zym es ▁Category : En zym es ▁of ▁known ▁structure <0x0A> </s> ▁S iah ▁K esh ▁( , ▁also ▁Roman ized ▁as ▁S ī ā h ▁K esh ) ▁is ▁a ▁village ▁in ▁G ur ab ▁Pas ▁R ural ▁District , ▁in ▁the ▁Central ▁District ▁of ▁F uman ▁County , ▁Gil an ▁Province , ▁Iran . ▁At ▁the ▁ 2 0 0 6 ▁census , ▁its ▁population ▁was ▁ 1 7 0 , ▁in ▁ 4 7 ▁families . ▁ ▁References ▁▁ ▁Category : Pop ulated ▁places ▁in ▁F uman ▁County <0x0A> </s> ▁The ▁Bad ▁Boy ▁is ▁a ▁lost ▁ 1 9 1 7 ▁American ▁silent ▁crime ▁drama ▁film ▁directed ▁by ▁Ch ester ▁Wit he y ▁and ▁st arring ▁Robert ▁Har ron , ▁Richard ▁C umm ings , ▁and ▁M ild red ▁Harris . ▁The ▁film ▁marks ▁the ▁debut ▁of ▁Col le en ▁Moore , ▁who ▁plays ▁a ▁supporting ▁role ▁in ▁the ▁film . ▁ ▁Plot ▁Small ▁town ▁youth ▁J imm ie ▁B ates ▁( Ro bert ▁Har ron ) ▁is ▁a ▁well - int ention ed , ▁but ▁trouble d ▁youth . ▁J imm ie ▁is ▁a ▁row dy ▁boy ▁who ▁is ▁always ▁getting ▁into ▁trouble ▁and ▁playing ▁pr anks ▁on ▁his ▁friends ▁and ▁neighb