the human histone messenger rna ( mrna ) species associated with various polyadenylated [ poly ( a ( + ) ) ] and nonpolyadenylated [ poly ( a ( - ) ) ] components of 4 to 18 s rna were determined by translation of these rna fractions in vitro using a krebs ii ascites cell-free system followed by resolution of histones synthesized in vitro on polyacrylamide gels containing triton x-100 .
C0035696
messenger rna
C0035668
rna