BILD 2 1 Name Problem Set Winter Quarter, 2008 BILD 2 PROBLEM SET 3B Winter Quarter, 2008 _______ 1. ( 5 points) Please write your name on all 9 pages. _______ 2. (10 points) Answer only the questions asked. _______ 3. (10 points) Answer each question in the space provided, _______ 4. (10 points) but provide all the detail possible. _______ 5. (10 points) _______ 6. (20 points) _______ 7. (15 points) _______ 8. (15 points) _______ 9. (15 points) _______ 10. (15 points) TOTAL POINTS ON FINAL EXAM _________ _______ 11. (20 points) _______ 12. (15 points) TOTAL POINTS IN COURSE _________ _______ 13. (15 points) _______ 14. (10 points) _______ 15. (20 points) _______ 16. (15 points) COURSE GRADE _________ _______ 17. (15 points) _______ 18. (15 points) _______ 19. (10 points) _______ 20. (20 points) _______ 21. (10 points) _______ 22. (10 points) (300 points total) By signing this waiver I give permission for this exam to be left for me to pick up in the box outside the elevators on the third floor of Pacific Hall. I realize that this procedure may expose my grade to public scrutiny. If I do not sign this waiver, I acknowledge that my exam will be available for pick up only between 1:00 and 3:00 PM Monday-Friday in 3140B Pacific Hall. _________________________________ ____________________ Signature DateBILD 2 2 Name Problem Set Winter Quarter, 2008 1. (5 points) How do arteries differ from veins? 2. (10 points) Where is the hypothalamic-portal system and what does it do? Give an example. 3. (10 points) What is auxin and how does it contribute to phototropism? 4. (10 points) How are we able to carry so much CO2 in blood? (Show the steps involved.)BILD 2 3 Name Problem Set Winter Quarter, 2008 5. (10 points) How does the structure of the symplast differ from the apoplast in the root system of plants? 6. (20 points) Diagram the structure of an antibody indicating the portions that recognize the antigen. How is diversity among antibodies generated? How many types of antibodies can one cell make? Under what conditions, if any, can different cells express the same antibody?BILD 2 4 Name Problem Set Winter Quarter, 2008 7. (15 points) Briefly indicate what each of the following hormones does in the adult female: Human Chorionic Gonadotropin – FSH - Oxytoxin – Relaxin - Testosterone - 8. (15 points) Adrenalin (epinephrine) has very different effects on blood vessels in the gut versus blood vessels in skeletal muscle, and both of these differ from what it does in liver. How does adrenalin achieve these different effects? (Be specific where possible.) 9. (15 points) How do B cells differ from cytotoxic T cells in immune response? How are they similar in activation, regulation, or fate?BILD 2 5 Name Problem Set Winter Quarter, 2008 10. (15 points) Diagram or outline the hormonal steps and sites of action (feedforward and feedback) in controlling sperm production in males. 11. (20 points) What are the sources of estrogen during the ovarian cycle and how is this regulated? How does this change during pregnancy and birth? 12. (15 points) Where and how are MHC proteins used in the immune system? (Distinguish Class I and Class II; ignore Class III.)BILD 2 6 Name Problem Set Winter Quarter, 2008 13. (15 points) What happens in the proximal convoluted tubule of the kidney tubule? (Indicate what gets resorbed versus what gets secreted.) 14. (10 points) What is the sequence of events that represents synaptic transmission at chemical synapses? (Start with the action potential in the presynaptic nerve terminal and end with the voltage change in the postsynaptic cell.) 15. (20 points) How does HIV compromise the immune system and why is it so difficult to develop an effective HIV vaccine?BILD 2 7 Name Problem Set Winter Quarter, 2008 16. (15 points) Why do action potentials have “thresholds” for firing but postsynaptic potentials do not? (What is different about the causal mechanisms and how does this account for it?) 17. (15 points) What kind of receptive field does a “simple cell” in the visual cortex have? What might be the receptive fields of the neurons innervating the simple cell? 18. (15 points) What is the composition of vertebrate bone? What do the major classes of components do?BILD 2 8 Name Problem Set Winter Quarter, 2008 19. (10 points) What are the two main phases of the cardiac cycle? What happens to ventricular pressure during the phases? 20. (20 points) How are proteins processed, digested, and absorbed in the vertebrate gut? 21. (10 points) What are the major cell types in blood? What do they do and where are they produced?BILD 2 9 Name Problem Set Winter Quarter, 2008 22. (10 points) A patient encountering severe damage to the hippocampus may remember nothing that occurs after the damage while retaining normal recall of events that occurred prior to the damage. What does this tell us about the role of the hippocampus and the storage and retrieval of memories? - THE END
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