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BILD2-FinalExamKEY

BILD2-FinalExamKEY - BILD 2 Winter Quarter 2010 1 Name KEY...

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BILD 2 1 Name KEY ______ Winter Quarter, 2010 BILD 2 FINAL EXAM Winter Quarter, 2010 _______ 1. (10 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. (10 points) _______ 7. (10 points) _______ 8. (10 points) _______ 9. (10 points) _______ 10. (20 points) TOTAL POINTS ON FINAL EXAM _________ _______ 11. (15 points) _______ 12. (20 points) TOTAL POINTS IN COURSE _________ _______ 13. (15 points) _______ 14. (15 points) COURSE GRADE _ KEY _ _______ 15. (15 points) _______ 16. (15 points) _______ 17. (15 points) [**SEE GRADE CUTOFFS AND DISTRIBUTION _______ 18. (20 points) GRAPH AT END OF KEY.**] _______ 19. (15 points) _______ 20. (20 points) [FINAL EXAMS AVAILABLE IN BOX ON 3RD _______ 21. (20 points) FLOOR OF PACIFIC HALL ACROSS FROM _______ 22. (5 points) ELEVATORS, STARTING 3/22/10.] (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 3100E Pacific Hall. _________________________________ ____________________ Signature Date
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BILD 2 2 Name KEY ______ Winter Quarter, 2010 1. (10 points) What are the bulk nutritional requirements for people? What are they for most plants? People: carbohydrates, essential amino acids (8), & essential fatty acids (e.g. linoleic acid). Plants: (inorganic compounds: 9 macronutrients) C (CO 2 ), H & O (H 2 O), N (NO 3 - or NH 4 + ), S (SO 4 - ), P (PO 4 2- ), K + , Ca 2+ , & Mg 2+ . (full credit: the 3 items for “people” and any 7 of the 9 for “plants”) 2. (10 points) How does the anterior pituitary differ from the posterior pituitary in (a) structure and (b) regulation of hormone release? (a) Post. Pit. composed of neuron “stalks” (axons) extending down from hypothalamus; releases hormone directly (oxytocin and ADH) into the general circulation. (b) Ant. Pit. composed of local (endocrine) cells that secret homones into the cirucltion after being stimulated by appropriate releasing factors from the hypothalamus by way of the hypothalamic- pituitary portal system. 3. (10 points) What and where is the notochord. What is its origin and what does it do during neurulation? The notochord is a long cylinder of tissue running anterior-posterior just beneath the spinal cord. It arises from the mesoderm (originally from dorsal lip of blastopore in holoblastic unequal cleavage) and is reponsible for inducing development of the spinal cord during neurulation. 4. (10 points) What does Bowman’s capsule do in the kidney. What passes through and what does not (unless damaged). What is the approximate flow rate? Allows fluid to pass from blood vessels (glomerulus) into the kidney nephron. Blood filtrate (water) passes into Bowman’s capsule at about 125 ml/min and includes dissolved ions and small molecules but not red blood cells or blood proteins (like albumin) unless the capsule is damaged.
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BILD 2 3 Name KEY ______ Winter Quarter, 2010 5. (10 points) How does the “slow block to polyspermy” differ in timing and mechanism from the “fast block to polyspermy”?
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