What two substances pass through the nuclear pores?

A lot more than two substances can pass through a nuclear pore complex, including RNA and ribosomes being exported to the cytoplasm and proteins, carbohydrates, signal molecules and lipids moving into the nucleus.|||Water and nucleotides. Actually hundreds of molecules can cross the nuclear pores. Mostly molecules less than 50 kilodaltons.|||mRNA also leaves the nucleus thru nuclear pores for translation into proteins.|||DNA and RNA