________ is a small protein that is linked covalently to other proteins,thereby marking those proteins for internalization or degradation.
A)Chaperonin
B)Ubiquitin
C)Proinsulin
D)Transcriptin
E)Tubulin

Question

Quizplus · Accepted Answer

Ubiquitin is a small protein that is covalently attached to other proteins, targeting them for degradation by the proteasome or internalization by the endocytic pathway.

________ Is a Small Protein That Is Linked Covalently to Other