1. A relatively small organelle that contains enzymes that oxidize organic substances 2. Composed of RNA and protein, this organelle synthesizes proteins 3. An organelle that uses oxygen to produce ATP 4. A network of protein filaments that extend throughout the cytoplasm 5. A large organelle that contains genomic DNA 6. Found in the nucleus, this organelle contains DNA, RNA, and protein 7. An organelle that contains centrioles, which are composed of microtubules, and pericentriolar material with protein complexes that play a critical role during cell division 8. A relatively small organelle that contains hydrolases that break down worn out parts of the cell 9. A membranous organelle that modifies proteins and packages them in transport vesicles 10. A network of tubules that synthesize and transport materials needed for cellular growth and other functions 11. A membranous organelle that is covered in ribosomes