Nuclear pores - Hutchinson encyclopedia article about Nuclear pores Printer Friendly
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pore
(redirected from Nuclear pores)

   Also found in: Dictionary/thesaurus, Medical, Encyclopedia, Wikipedia 0.01 sec.

pore

In biology, a small opening in the skin that releases sweat and sebum. Sebum acts as a natural lubricant and protects the skin from the effects of moisture or excessive dryness.



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The barrier between nucleus and cytoplasm is usually controlled by cellular gateways called nuclear pores, which selectively import and export the molecular ingredients for life to and from the nucleus.
In the early 1990s, investigators realized that specialized proteins, given such names as transportin, importin-alpha, and importin-beta, usher proteins with a nuclear localization signal to and through nuclear pores.
 
 
 
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