Quizlet Bio 35-39

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  1. ABA: seed dormancy, drought stress
  2. apomixis: asexual reproduction without fertilized
  3. apoplast: through the cells walls
  4. aquaporins: proteins that transport water
  5. auxin: plant elongation, root formation, herbicide
  6. bassinosteroids: retard leaf absicssion and promote xylem differentiation
  7. bulk flow: movement of a fluid driven by pressure
  8. casparian strip: belt made of suberin impervious to water and minerals cannot cross
  9. collenchyma cells: support young parts of the plant shoot celery stalk
  10. cork cambrium: tough think covering for stems and roots replace epidermis
  11. cotransport: transport protein couples the downhill passage of one solute and the uphill passage of another
  12. cytokinins: cell division and differentiation apical dominance
  13. endodermis: innermost layer of the cortex
  14. epicotyl: becomes the shoot tip
  15. ethylene: triple response, apoptosis, leaf abscission, fruit ripening
  16. expansins: break the corss-links between celllose microfbrils
  17. fibers: long, slender and tapered flax
  18. fragmentation: seperation of a parent plant into parts that re-form the whole
  19. fusiform initials: tpaered and elongated axis of the stem new vascular tissue
  20. humus: residue of partially decayed organic material
  21. hypocotyl: becomes radicle or embryonic root
  22. lenticels: trunk exchange gases with outside
  23. loams: equal sand silt and clay best fertile soil
  24. morphogenesis: development of the body form and the organization
  25. parenchyma cells: primary walls thin and flexible no secondary walls most metabolic functions"typical" cells least specialized
  26. pericarp: thickened wall of fruit
  27. pericycle: outermost layer of the stele sprout lateral roots
  28. periderm: layers of cork plus the cork cambrium
  29. petiole: joins leaf to a node of the stem
  30. phytoremediation: nondestructive technology use plants to take metals out of the soil
  31. protoplast: cell contents not cell wall
  32. quiescent center: cells that divide much more slowly than the other meristemic cells
  33. ray initials: xylem rays and phloems rays let in minerals and water
  34. scion: twig grafted onto the stock is referred to
  35. sclerenchyma cells: secondary cell support dead "skeleton"
  36. sclerids: hardness to nutshells and sead coats part of sclerenchyma
  37. scutellum: special cotyledon "small shield"
  38. stele: procambrium gives rise to this roots is a central cylinder
  39. stock: plant that rpovides the root system
  40. symplast: through the plasmodesmata
  41. tonoplast: membrane that bounds the vacuole
  42. vascular cambrium: secondary xylem and secondary phloem
  43. vegetative reproduction: clone themselves by asexual reproduction
  44. xerophytes: plants adapted to arid climates