the mean total nucleolar dry mass for cells with one , two , three , and four nucleoli was 40 x 10 ( -12 ) gm , 38.4 x 10 ( -12 ) gm , 39.1 x 10 ( -12 ) gm , and 41.4 x 10 ( -12 ) gm , respectively .
C0007634
the
C0007609
nucleoli