THE CELLULAR LEVEL OF ORGANIZATION 1. Describe cells with regard to size, shape, and general features. 2. Describe, locate, and list the functions of the main organelles. 3. Describe the structure and function of the plasma membrane. 4. Distinguish the difference between smooth and rough ER. 5. What is the functional role between ribosomes and ER. 6. Describe how the Golgi complex packages secretions and manufactures lysosomes. 7. Describe the main functions of lysosomes. 8. Why is the mitochondria referred to as the “powerhouse” of the cell? 9. Discuss microtubules in relation to centrioles, cilia, and flagella. 10. Describe the structure and function of the nucleus and its contents. 11. 12. Describe the stages of a cell’s life cycle. Describe the process that produces proteins in the body.