Which of the following types of protein degradation is mediated by the lysosome?

A Ubiquitin-proteasome pathway
B Autophagy ✓
C Calpain-mediated proteolysis
D Caspase-mediated apoptosis

Explanation

Autophagy is a type of protein degradation that involves the engulfment of cellular components, including proteins, by lysosomes, which then break them down and recycle the resulting amino acids.

Source

Cell Biology textbooks
Protein Metabolism Cell Biology Protein Degradation and Recycling Medium MEDICAL Confidence: high