special molecules carry messages from the cell membrane to the cell nucleus
somatic_cell_nucleus is not cell_nucleus. cell_nucleus is not organelle. secretory_cell is somatic_cell. cell_nucleus is nuclear_body. cell_nucleus is organelle. embryonic_cell is cell. human_somatic_cell_nucleus is cell_nucleus. cell_membrane_outer_surface is cell_part. somatic_cell_nucleus is cell_nucleus. cell_nucleus is not nuclear_body.