we have examined the kinetics of the process by which ribosomes are exported from the nucleus to the cytoplasm using xenopus laevis oocytes microinjected into the germinal vesicle with radiolabeled ribosomes or ribosomal subunits from x. laevis , tetrahymena thermophila , or escherichia coli .
C0010834
cytoplasm
C0035553
ribosomes