1. What is the function of the mitochondria in a cell? 2. What is the difference between mitosis and meiosis? 3. What is the role of DNA in protein synthesis? 4. What is the difference between a plant cell and an animal cell? 5. What is the process of photosynthesis and why is it important for plants? 6. What is the function of the circulatory system in the human body? 7. What is the difference between aerobic and anaerobic respiration? 8. What is the role of enzymes in biological reactions? 9. What is the structure and function of the cell membrane? 10. What is the difference between a dominant and recessive gene?