Which of the following proteolytic pathways is involved in the degradation of damaged or misfolded proteins?

A Ubiquitin-proteasome pathway ✓
B Lysosomal pathway
C Caspase-mediated pathway
D Calpain-mediated pathway

Explanation

The ubiquitin-proteasome pathway is a proteolytic pathway that plays a crucial role in the degradation of damaged or misfolded proteins, which helps maintain protein homeostasis.

Source

Alberts Molecular Biology of the Cell
Protein Metabolism Biochemistry Protein Degradation Medium MEDICAL Confidence: high