midterm_1_review_questions

midterm_1_review_questions - 9. What 3 cells types are...

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REVIEW QUESTIONS FOR MIDTERM #1 BILD 2 Winter 2004 1. What is the difference between a tissue and an organ? Give examples of each. 2. What are the 3 main tissue types in plants? What are the functions of each? 3. What is the difference between the growth from apical vs. lateral plant meristems? 4. What are 2 forms of nitrogen a plant can use? Beginning with atmospheric nitrogen, how are each of these forms generated? 5. What is the Transpiration/Cohesion/Tension mechanism in plants? How would this mechanism function on a sunny day in an average plant in a mild climate? How would this mechanism function at night for the same plant? 6. In plants, what is a source? What is a sink? Describe transport between the two. 7. What are xylem and phloem and what do they do? 8. What are the main functions of the vertebrate gut?
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Unformatted text preview: 9. What 3 cells types are involved in food processing in the stomach? What do they do? 10. Describe how carbohydrates and fats are digested. 11. What enzymes are released from the pancreas? How are they activated in the gut? 12. What do gastrin, secretin, and cholecystokinin do? 13. Compare closed vs. open circulatory systems 14. What features are responsible for pumping efficiency of the heart? What regulates heart rate? 15. Draw a diagram of a heart and indicate correct blood flow and the location of all valves. 16. How is blood flow controlled locally? How is blood pressure controlled at a systemic level? 17. How is blood filtered at the level of capillaries? 18. What is countercurrent exchange? Describe how fish extract oxygen from water....
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