+    B9 and D2    Respiration and Antacids    Raj Sikaria and not Casey Ste. Claire
+    B.9 Respiration       B.9.1. Compare aerobic and anaerobic respiration of glucose in        terms of oxidation/reduc...
+    B.9.1       Shared characteristics of aerobic and anaerobic respiration:           Produce ATP (chemical energy)   ...
+    Aerobic Respiration       Requires oxygen       C6H12O6 (aq) + 6 O2 (g) → 6 CO2 (g) + 6 H2O (l) ΔG = -2880 kJ      ...
+    Anaerobic Respiration       Does not require oxygen       Only produces 2 mol of ATP for every 1 mol of glucose    ...
+    B.9.2       Electron Transfer Chain (ETC): Couples electron transfer (ET)        between donors and acceptors with H...
+    Electron Transfer Chain (ETC)
+    wat
+    B.9.2       Iron acts as a transporter of oxygen through hemoglobin       Fe2+ oxides to Fe3+ when it bonds to O2  ...
+    B.9.2       Concentration related to Partial Pressure(oxygen)       Tissues intake excess oxygen
+    D.2.1       D.2.1. State and explain how excess acidity in the stomach can        be reduced by the use of different...
+    Gastric Acid       pH between 1.5-3.5. Composed of HCl       Bicarbonate: the body’s antacid
+    Our Antacids: Hydroxides       Aluminum Hydroxide- Al(OH)3           Al(OH)3 + 3HCl  AlCl3 + 3H2O       Magnesium...
+    Our Antacids: Carbonates       Magnesium Carbonate: MgCO3           MgCO3 + 2HCl  MgCl2 + CO2 + H2O       Sodium ...
+    D.2.1       Antacids can be combined with other compounds           Alginates           Anti-foaming agents       ...
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D2 presentation

  1. 1. + B9 and D2 Respiration and Antacids Raj Sikaria and not Casey Ste. Claire
  2. 2. + B.9 Respiration  B.9.1. Compare aerobic and anaerobic respiration of glucose in terms of oxidation/reduction and energy released.  B.9.2. Outline the role of copper ions in electron transport and iron ions in oxygen transport.
  3. 3. + B.9.1  Shared characteristics of aerobic and anaerobic respiration:  Produce ATP (chemical energy)  Glycolysis (converting glucose to pyruvate)  Oxidation reaction  Pyruvate (CH3COCOOH)  Exothermic
  4. 4. + Aerobic Respiration  Requires oxygen  C6H12O6 (aq) + 6 O2 (g) → 6 CO2 (g) + 6 H2O (l) ΔG = -2880 kJ per mole of C6H12O6  19 times more efficient than anaerobic respiration (36-38 mol ATP/mol glucose)  glucose + 2ATP + 4ADP + 2Pi +2NAD+ ---> 2pyruvate + 2ADP + 4ATP + 2NADH + 2H+ +2H2O
  5. 5. + Anaerobic Respiration  Does not require oxygen  Only produces 2 mol of ATP for every 1 mol of glucose consumed  Pyruvate is reduced to lactic acid (C3H6O3)  C6H12O6 ---> 2C3H6O3
  6. 6. + B.9.2  Electron Transfer Chain (ETC): Couples electron transfer (ET) between donors and acceptors with H+ ion transfer across a membrane.  Cytochromes: Made of hemes. Carries out ET  Example: Cytochrome c oxidase (copper ions)  Active site that is occupied by copper.
  7. 7. + Electron Transfer Chain (ETC)
  8. 8. + wat
  9. 9. + B.9.2  Iron acts as a transporter of oxygen through hemoglobin  Fe2+ oxides to Fe3+ when it bonds to O2  Oxygen turns into superoxygen  One molecule of hemoglobin can carry 4 molecules of oxygen (4 heme groups)
  10. 10. + B.9.2  Concentration related to Partial Pressure(oxygen)  Tissues intake excess oxygen
  11. 11. + D.2.1  D.2.1. State and explain how excess acidity in the stomach can be reduced by the use of different bases.
  12. 12. + Gastric Acid  pH between 1.5-3.5. Composed of HCl  Bicarbonate: the body’s antacid
  13. 13. + Our Antacids: Hydroxides  Aluminum Hydroxide- Al(OH)3  Al(OH)3 + 3HCl  AlCl3 + 3H2O  Magnesium Hydroxide- Mg(OH)2  Mg(OH)2 + 2HCl  MgCl2 + 2H2O
  14. 14. + Our Antacids: Carbonates  Magnesium Carbonate: MgCO3  MgCO3 + 2HCl  MgCl2 + CO2 + H2O  Sodium Hydrogencarbonate: NaHCO3  NaHCO3 + HCl  NaCl + CO2 + H2O •General Finding: Basic Neutralization Reactions Occur!
  15. 15. + D.2.1  Antacids can be combined with other compounds  Alginates  Anti-foaming agents Alginates prevent heartburn by creating a neutralizing layer that prevents acid reflux Anti-foaming agents like dimethicone help relieve bloating which is a symptom of acid reflux -Maalox would be an example
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