24. Regarding the mechanism of nuclear transport, which description is correct?
(A) NLS are protein sequences rich in positively-charged amino acids such as lysine and arginine that regulate protein cargos
out of the nucleus.
(B) NES are oligonucleotides that direct protein cargos out of the nucleus.
(C) Molecules with a size of more than 5,000 Daltons can enter freely into the nucleus through nuclear pore complexes.
(D) The energy to transport macromolecules in or out of the nucleus is provided by the RAN ATPase cycle.
(E) Macromolecules require karyopherins to enter or leave the nucleus.