5. What is catalase? Where is it found in plant cells? 6. What is a plastid? Discuss some of the attributes of these organelles. 7. Compare and contrast the different types of plastids. 8. Discuss the anatomy and function of plasmodesmata 9. Discuss the properties and significance of the vacuole, 10. What is 1 ant that cellulose is a "metabolic bargain?" 11. Describe the fluid mosaic model for the cell membrane..