There are hundreds, if not thousands, of proteins that are specifically localized to the cell nucleus. What is likely to be true about transport of these proteins into the nucleus?

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Many different types of proteins must be transported together as a large macromolecular structure so that only one nuclear pore complex is required for the group of proteins.

There must be hundreds, if not thousands, of different nuclear pore complexes, one for each type of protein to be transported into the nucleus.

Proteins specifically localized to the nucleus must have the same or a similar nuclear localization signal that directs them to the nucleus.

These must all be small proteins that can diffuse through the nuclear pore complexes without requiring energy expenditure.

 

asked Dec 25, 2012 in Biology by anonymous
    

1 Answer

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Proteins specifically localized to the nucleus must have the same or a similar nuclear localization signal that directs them to the nucleus.

 

answered Dec 25, 2012 by anonymous

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