Mrs.+Kretschmer's+Homeostasis+and+Transport+Practice+Questions

__ Homeostasis and Transport Whiteboard Questions __

1. Name a homeostatic mechanism used to control body temperature. 2. What does the release of insulin help to control? 3. List two types of Passive transport. 4. List two types of Active transport. 5. Write Passive or Active. a. Oxygen moves into a cell b. ATP is required c. Sodium/Potassium Pump d. Large proteins are transported e. Water flows freely 6. Which component of the membrane “maintains fluidity”? 7. Which component of the membrane has a polar head? 8. Which component of the membrane helps molecules cross? 9. What part of the membrane is the PRIMARY BARRIER and blocks most polar water soluble substances? 10. What substances to protein pumps pump? 11. What are the two most common ions that need pumping? 12. When cells are placed in high salt hypertonic solutions what do they do? 13. Which direction does active transport move, high to low or low to high concentration? 14. How do phospholipids orient themselves in a watery environment? Draw it! 15. What is the three letter name for an energy carrying molecule? 16. Information from the nucleus is delivered to which organelle? 17. What is the job of the endoplasmic reticulum? 18. Which organelle modifies proteins into their final shape? 19. Name something a fish would do to maintain homeostasis. 20. What should a cell do with water if it wants to maintain a higher salt concentration inside the cell, absorb or excrete water?