several fractions of rna prepared from the post-ribosomal cytosol of sheep lymphoid cells were found to include messenger-like rna as defined by the following criteria : a , template activity , i.e . the ability to promote the incorporation of radioactive amino acids into protein in cell-free protein-synthesising systems derived from wheat embryos or ascites tumour cells ;
C0035553
ribosomal
C0007634
cells