The Marking of a Protein by Polyubiquitylation to Signify Degradation

Multiple Choice

The marking of a protein by polyubiquitylation to signify degradation …

A) requires the hydrolysis of one ATP molecule to ADP per polyubiquitin chain.
B) involves covalent attachment of the target protein to the E1 enzyme.
C) is carried out by the proteasome complex.
D) is typically done on an arginine residue in the target protein.
E) involves the recognition of the target protein by an E2-E3 ligase.