Proteosomes ________ Proteins That Have Been Damaged or Denatured

Question

Proteosomes ________ proteins that have been damaged or denatured.
A) tag for destruction by a different organelle
B) break down
C) expel from the cell
D) repair
E) duplicate

Accepted Answer

Proteosomes break down proteins that have been damaged or denatured. They act like recycling centers in the cell, breaking down old or damaged proteins into their component amino acids so they can be used to make new proteins.