Cell Biology Quiz
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CELL STRUCTURE AND ORGANELLES
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A research team studying nucleocytoplasmic transport creates a cell-free system with isolated nuclei and cytoplasm. They observe that addition of non-hydrolyzable GTP analogs (GTPγS) allows nuclear import to begin but prevents cargo release in the nucleus. However, addition of excess RanGTP to this system restores normal cargo release. What does this result indicate about the mechanism of cargo release?
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