Poster Questions 1. Name an extinct Subclass of Corals Rugosa , Tabulata 2. How does pH regulate mechanosensing in Dionaea Acidity degrades cell wall by dissolving calcium pectate 3. Name the attachment stalks of Utricularia traps stolons 4. What is sclerotization in insects? The chemical hardening of the cuticle 5. What is vernalization? Prolonged exposure to cold 6. Where is Florigen produced? Leaves 7. What are the TWO theories of the evolution of bird flight? Cursorial , aboreal 8. Tensegrity alterations lead to changes in the synthesis of which plant hormone? Auxin 9. What species of Penicillium is used in blue cheese-making? Penicillium roqueforti 10. Name a protein responsible for regulating FtsZ spreading MinD , MinE , ARC6 11. Name a species causing Trichinosis. T.Spiralis 12. What is a nematocyst? toxic cells that attack prey of coral 13. How do diving mammals prevent the “bends” when diving? Compress air in their lungs ino the cartilaginous trachea & bronchioles so no gas exchange occurs and thus no gas can dissolve into capilaries 14. Where is Juvenile hormone produced? Corpora allata 15. Canolavar is a cultivar of what? Rape Seed 16. In mammals where is the “thermostat”? Hypothalamus 17. What is considered the immediate cause of mass extinction in the Ordivician? Continental drift of a significant land mass into the south polar region , caused global temperature drop and lowered sea levels 18. What are zooanthellae? Photosynthetic , single celled organisms that live in endodermal tissue 19. Give an example of a systemic mycoses Histoplasmosis from histoplasma capsulatum 20. What are the TWO syndromes of Toxocaris? ocular larva migrans , Visceralis larva migrans 21. What alternatives to sweating do most mammals use to keep cool? Vasodilation and pilorelaxtion 22. What is the optimum temperature for hatching in bees? 33.9 deg C 23. What is Gravitropism? Plants ability to change growth in response to gravity 24. How does the PHR1 gene of plants respond to phosphate stress in plants? Increases number of phosphate transporters 25. What morphological change is regulated by the protein LEAFY? Transformation of the optical meristem to the floral meristem 26. How long does Drosera burmannii take to curl its tentacles? <10 seconds 27. How is the K-T mass extinction different from the Permian mass extinction event? K-T extinction was more sudden , meteor? 28. What hormone is produced from Ecdysone? ecdysteroids 29. What are etioplasts? Chloroplasts which have not been exposed to light 30. What are the oxygen stores of a fur seal and a human (units of: ml O2 per kg). Fur seal : 40ml/g , human 20ml/g 31. Name a dinosaur that has been described as having proto-feathers Sinosauropteryx 32. When was “Miracle Rice” developed? 1960’s 33. How does Thermogenin work? Uncouples proton transport from oxidative phosphorylation 34. Give TWO examples of causes for phosphate deficiency in plants Cold weather and High Rainfall 35. What is “Supersedure”? When an old queen bee is replaced by a new queen bee 36. How do forager bees signal the distance and direction of food sources. 2 forms of dance , round dance and waggle dance 37. Jojoba oil is a replacement for what TWO products? Whale oil and substitute for petroleum diesel 38. Name a Genera and species that produce Cyclosporin Hypocladium inflatum 39. How is Lymphatic filariasis caused? Obstruction of lymphatic vessels causing swelling in lower torso 40. Where do queen bees store sperm? Spermatheca 41. What was the largest mass extinction event? Permian extinction 42. What are the roles of neuroglobins? efficiently shuttle oxygen from bloodstream to brain 43. What features of modern birds has allowed the adaptation of flight muscles? Large sternums (breast bones) 44. In plants where are the inorganic phosphate transporters found? Tonoplast 45. What are statoliths? Gravity sensors