Question

which organelle degrades damaged proteins?
nucleus
proteasomes
smooth endoplasmic reticulum (er)
peroxisome
golgi apparatus

Explanation:

Proteasomes are cellular complexes responsible for degrading damaged or unnecessary proteins. The nucleus is mainly for storing DNA, the smooth endoplasmic reticulum is involved in lipid synthesis and detoxification, peroxisomes deal with the breakdown of fatty acids and hydrogen - peroxide metabolism, and the Golgi apparatus modifies, sorts, and packages proteins and lipids for secretion or use within the cell.

Answer:

B. Proteasomes