Question

select the part whose main job is to break down waste and worn - out cell parts. lysosome cytoskeleton rough endoplasmic reticulum cell membrane

Explanation:

Lysosomes contain digestive enzymes that break down waste materials and worn - out cell parts. The cytoskeleton provides structural support and aids in cell movement. The rough endoplasmic reticulum is involved in protein synthesis and transport. The cell membrane controls the movement of substances in and out of the cell.

Answer:

A. lysosome