Signal Peptidase Activity Is Responsible For

Multiple Choice

Signal peptidase activity is responsible for:

A) directing defective proteins to the ubiquitin-proteasome pathway.
B) adding a signal phosphate group to some proteins,regulating their activity.
C) removing a hydrophobic secretion signal from the N-terminus of a protein.
D) adding a signal glycosylation modification to a new protein.
E) destroying peptide bonds in defective proteins.