During Nuclear Transport, RanGTP

Multiple Choice

During nuclear transport, RanGTP

A) causes disassembly of import complexes, but is required for the assembly of export complexes.
B) causes assembly of import complexes, but is required for the disassembly of export complexes.
C) is present in equal concentrations in the nucleus and cytoplasm.
D) is required to provide energy for cargo recognition and docking.