Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Honors biology chemistry and introduction 1213

422 views

Published on

Published in: Technology, Business
  • Be the first to comment

  • Be the first to like this

Honors biology chemistry and introduction 1213

  1. 1. Biological Themes and Chemistry
  2. 2. Figure 1.3 Order Response to the environment Evolutionary adaptation Reproduction Regulation Energy processing Growth and development
  3. 3. Figure 1.4 The biosphere Tissues Ecosystems Organs and organ systems Communities Cells Organelles Organisms Atoms Populations Molecules
  4. 4. Figure 2-T01
  5. 5. Figure 2.5 Cloud of negative Electrons charge (2 electrons) Nucleus (a) (b)
  6. 6. Figure 2.8 (a) A ball bouncing down a flight of stairs provides an analogy for energy levels of electrons. Third shell (highest energy level in this model) Second shell (higher Energy energy level) absorbed First shell (lowest energy level) Energy lost Atomic nucleus (b)
  7. 7. Figure 2.9 Hydrogen 2 Atomic number Helium 1H He 2He Mass number 4.00 Element symbol First shell Electron distribution diagram Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon 3Li 4Be 5B 6C 7N 8O 9F 10Ne Second shell Sodium Magnesium Aluminum Silicon Phosphorus Sulfur Chlorine Argon 11Na 12Mg 13Al 14Si 15P 16S 17Cl 18Ar Third shell
  8. 8. Figure 3.1 Hydrogen bonds between water molecules
  9. 9. Figure 2.16 δ– δ+ Water (H2O) δ+ Hydrogen bond δ– Ammonia (NH3) δ+ δ+ δ+
  10. 10. Figure 2.14-2 + – Na Cl Na+ Cl– Sodium atom Chlorine atom Sodium ion Chloride ion (a cation) (an anion) Sodium chloride (NaCl)
  11. 11. Figure 3.7 A crystal of table salt dissolving in water
  12. 12. Figure 3.8 A water-soluble protein
  13. 13. Ethane
  14. 14. Ethanol
  15. 15. Figure 2.18 Carbon Nitrogen Hydrogen Sulfur Natural endorphin Oxygen Morphine (a) Structures of endorphin and morphine Natural endorphin Morphine Endorphin Brain cell receptors (b) Binding to endorphin receptors
  16. 16. Figure 3.5x1 Ice, water, and steam
  17. 17. Figure 3.5 The structure of ice (Layer 2)
  18. 18. Figure 2.UN02 2 H2 + O2 2 H2 O Reactants Reaction Products
  19. 19. Figure 2.19
  20. 20. Figure 3.10 pH Scale 0 1 Battery acid Increasingly Acidic 2 Gastric juice, lemon juice + H [H+] > [OH− ] H+ + − H Vinegar, wine, H+ OH 3 + OH− H H+ cola H+ H+ Acidic 4 Tomato juice Beer solution Black coffee 5 Rainwater 6 Urine − OH Saliva OH− Neutral H + H+ OH − 7 Pure water OH − OH− + [H+] = [OH− ] Human blood, tears H+ H+ H 8 Seawater Neutral Inside of small intestine solution Increasingly Basic 9 [H+] < [OH− ] 10 Milk of magnesia OH− OH− OH− H+ OH− 11 OH− OH − Household ammonia H + OH− 12 Basic solution Household 13 bleach Oven cleaner 14
  21. 21. Biological Buffers
  22. 22. Bicarbonate Buffer System
  23. 23. Emergence
  24. 24. PBS NOVA Emergence
  25. 25. Devil’s Garden
  26. 26. Experimental Controls Isolation of variables• Negative Control • Positive Control – Guards against false – Guards against false positives. negatives. – ensure that there is no – ensure that there is an effect when effect when there there should be no should be an effect effect

×