Lecture 2 Biological Energy Transformations

Lecture 2 Biological Energy Transformations - C Respiration...

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Biological Energy Transformations a. Organic molecules i. Large and complex ii. High energy iii. Examples: 1. Glucose 2. Myristic acid 3. Petapeptide 4. DNA iv. All contain carbon, some hydrogen, and most contain oxygen b. Inorganic molecules i. Small and simple ii. Low energy iii. Examples: 1. Water 2. Oxygen 3. Carbon dioxide 4. Nitrate 5. Salt iv. Occur naturally in the environment c. In order to go from inorganic to organic, energy must be added d. in order to go from organic to inorganic, energy must be released B. Photosynthesis a. The process by which light energy from the sun is captured and used to make energy- rich organic matter (ex. Glucose) b. Photosynthesis can only occur at the top layer of the ocean
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Unformatted text preview: C. Respiration a. The process by which organic matter (ex. Glucose) is broken down to release chemical energy b. Respiration occurs in the mitochondria in eukaryotic cells D. Autotroph a. Primary producer b. At the base of the food chain c. Photosynthesis & respiration d. Energy source – light e. Carbon source – CO2 f. Other inorganic molecules are required as well E. Heterotroph a. Consumer b. Can’t do photosynthesis, must get their energy through consuming other organisms c. Respiration only d. Energy source – organic carbon e. Carbon source – organic carbon f. Source of N, P – organic (typically) F....
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This note was uploaded on 03/21/2011 for the course MARS 1020 taught by Professor Binder during the Spring '08 term at UGA.

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Lecture 2 Biological Energy Transformations - C Respiration...

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