early region 2 of the adenovirus 2 genome ( map position 61-75 ) specifies two poly ( a ) + nuclear rnas ( 28s and 23s ) that appear to be precursors of the 20s cytoplasmic mrna [ goldenberg , c. j . & raskas , h. j . ( 1979 ) cell 16 , 131-138 ] .
C0010834
cytoplasmic
C0007634
cell