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GK QUESTION#3705

Which structural feature of the nuclear membrane enables the exchange of substances between the nucleus and the cytoplasm?

  1. ARibosomes
  2. BNuclear poresCorrect answer
  3. CVacuoles
  4. DMitochondria
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Answer

B. Nuclear pores

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Explanation

Nuclear pore complexes cross the nuclear envelope and regulate exchange between nucleus and cytoplasm. They permit movement of selected proteins, RNAs and other molecules.

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