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What can you infer about high-molecular-weight proteins that cannot be transported into the nucleus?
A) They are foreign proteins.
B) They lack nuclear localization signals (NLS).
C) They are defective proteins.
D) They have been tagged for destruction
1 Answer
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- Anonymous1 decade agoFavorite Answer
B of course. A small protein might be able to slip through via a more generalized "opening" but large proteins need active transport. For that, they need something to bind to one of the transporter proteins.
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