Multiple choice Old organelles, viruses, bacteria etc. that a cell can ingest are broken down in Ribosome RER SER Lysosomes Reveal answer Fill a bubble to check yourself D Correct answer Explanation Lysosomes- Structurally and chemically, they are spherical vesicles containing hydrolytic enzymes capable of breaking down virtually all kinds of biomolecules, including proteins, nucleic acids, carbohydrates,lipids, and cellular debris.