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The Chemistry and Physics of Life

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Presentation on theme: "The Chemistry and Physics of Life"— Presentation transcript:

1 The Chemistry and Physics of Life
Elements of the Human Body

2 TED on Photosynthesis

3 The 6 Most Abundant Elements for Life

4 Autotrophs and Heterotrophs
Organisms are divided into autotrophs and heterotrophs according to their energy pathways. Autotrophs are those organisms that are able to make energy-containing organic molecules from inorganic raw material by using basic energy sources such as sunlight. Plants are the prime example of autotrophs, when they use the photosynthesis process to make glucose. All other organisms must make use of food that comes from other organisms in the form of fats, carbohydrates and proteins. These organisms which feed on others are called heterotrophs.

5 The Plant Cell

6 Animal Cell

7 Plant/Animal Cells

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9 Why are leaves green?

10 Photosynthesis

11 Photosynthesis Photosynthesisl

12 Photosynthesis Photosynthesis

13 Photosynthesis

14 Cellular Respiration

15 Cellular Respiration Cellular respiration is the process of oxidizing food molecules, like glucose, to carbon dioxide and water. C6H12O6 + 6O2 + 6H2O → 12H2O + 6 CO2 The energy released is trapped in the form of ATP for use by all the energy-consuming activities of the cell. The process occurs in two phases: glycolysis, the breakdown of glucose to pyruvic acid the complete oxidation of pyruvic acid to carbon dioxide and water

16 The Electron Transport Chain Animation

17 Glycolysis In eukaryotes, glycolysis occurs in the cytosol. The remaining processes take place in mitochondria. Eukaryotes Mitochondria are membrane-enclosed organelles distributed through the cytosol of most eukaryotic cells. Their main function is the conversion of the potential energy of food molecules into ATP.

18 Fermentation

19 Cellular Respiration and Fermentation Comparison
Cellular Respiration Fermentation How much ATP is produced? Is Oxygen Present? Where does it take place?

20 Pearson Bio Coach

21 Natural Polymers

22 Water has 2 unique properties
Water and Ice Hydrogen bonds

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