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A Polyubiquitin Chain Has Been Attached to a Protein

Question 1

Multiple Choice

A polyubiquitin chain has been attached to a protein. The ubiquitin molecules are linked together via isopeptide bonds between Lys48 of one molecule and the carboxyl end of the next one. This protein is expected to …


A) be a part of chromatin.
B) undergo proteasomal degradation.
C) be involved in DNA repair.
D) be targeted to endocytic vesicles.
E) None of the above.

Correct Answer:

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