the vast majority of these sequences therefore probably do not represent potential mrnas which are confined to the nucleus and subject to posttranscriptional control in a manner similar to those which have been demonstrated in sea urchins [ wold , b. , klein , w. h. , hough-evans , b. r. , britten , r. j. , & davidson , e. h. ( 1978 ) cell ( cambridge , mass . ) 14 , 941-950 ] .
C0007610
nucleus
C0007634
cell