What menbrane-bound sac in the cytoplasm contain digestive enzymes that can break down large molecules?

The correct answer is Lysosomes.

Lysosomes are membrane-bound organelles found in the cytoplasm of eukaryotic cells. They contain a variety of digestive enzymes that can break down large molecules, such as proteins, carbohydrates, and lipids. Lysosomes also play a role in cell recycling, helping to break down old or damaged cell components