Introduction to cells in general, size and shape of cells, the role of various organelles, prokaryotic versus eukaryotic cells

1. 4.1 Cells Fig. 4.1 The size of cells and their contents 20 nm 20  m 20 mm 2 mm 0.2 mm 2  m 2 nm 0.2 nm 0.2  m

6. Fig. 4.2 Surface-to-volume ratio

12. 3 different light microscopes Brightfield Darkfield Phase contrast

18. Fig. 4.6 Proteins are embedded within the lipid bilayer

22. Fig. 4.10 Structure of a plant cell

23. Fig. 4.11 Structure of an animal cell

25. Passage for RNA and proteins Site of assembly of ribosome subunits Fig. 4.12 The nucleus

30. Export material Import material Fig. 4.14 Golgi complex

33. Fig. 4.15 How the endomembrane system works

36. Increase surface area Contains the mtDNA Fig. 4.16 a

38. Stack of thylakoids Site of photosynthesis Fig. 4.17

40. Dr. Lynn Margulis and endosymbiont theory

43. Made up of tubulin Make up microfilaments Fig. 4.19

47. Fig. 4.21 a Eukaryotic flagellum

54. Osmosis Fig. 4.27

61. Final results of my experiment EGG #1 (syrup then water) EGG #2 (lime drink then salt water) After vinegar 91.0 g 75.7 g After treatment #1 47.4 g 79.8 g After treatment #2 ?? (lysis) 79.6

72. Can enter against its concentration gradient Fig. 4.34 A coupled channel

73. Physiological and molecular genetic mechanisms of TTX resistance in the garter snake, Thamnophis sirtalis Shana Geffeney Department of Biology Utah State University

75. Whole-animal resistance is measured using a locomotor performance bioassay. Expressed as 50% baseline performance after injection with TTX. Whole-Animal TTX Resistance TTX Dose (MAMU) Resistance (% Crawl Speed) 1 0.1 10 100 1000 10000 100 0 20 40 60 80 > 100 MAMU 35-100 25-35 15-25 10-15 5-10 4-5 <4 San Mateo, CA Benton, OR Gilroy, CA Bear Lake, ID Inland Lake, BC