Ubiquitin Forms a Complex with Proteins and Then Binds with _______

Multiple Choice

Ubiquitin forms a complex with proteins and then binds with _______, forming a sort of "molecular chamber of doom" where proteins are digested into small peptides and amino acids.

A) the extracellular space
B) a proteasome
C) mitochondria
D) lysosomes
E) the Golgi apparatus