The correct answer is option 1, lysosome. A lysosome is a cell organelle that contains enzymes capable of breaking down various cell components or even the entire cell. It is often referred to as the "suicide bag" or "suicide sac" because its enzymes have the ability to cause cell death. Lysosomes play a critical role in maintaining cellular homeostasis and recycling cellular waste materials.

Option 2, mesosome, is incorrect. Mesosomes are structures found in bacteria and are involved in cellular processes such as cell division and DNA replication. They are not responsible for breaking down cell components.

Option 3, phagosome, is incorrect. A phagosome is a cellular vesicle that forms when a cell engulfs a particle or microorganism during phagocytosis. It is not considered a "suicide bag" for containing enzymes that can break down cell components.

Option 4, ribosome, is also incorrect. Ribosomes are responsible for protein synthesis and are not involved in breaking down cell components.

Therefore, the correct answer is option 1, lysosome.