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PCS Liv Env
Chapter 9 Vocabulary
Term | Definition |
---|---|
Calorie | amount of energy required to raise the temperature of 1 gram of water by 1 Celsius degree |
Glycolysis | first step in releasing the energy of glucose, in which a molecule of glucose is broken into two molecules of pyruvic acid |
Cellular Respiration | process of releasing energy by breaking down food molecules in the presence of oxygen |
NAD | electron carrier involved in glycolysis |
Fermentation | process by which cells release energy in the absence of oxygen |
Anaerobic | process that does not require oxygen |
Aerobic | process that requires oxygen |
Krebs Cycle | second stage of cellular respiration, in which pyruvic acid is broken down into carbon dioxide in a series of energy extracting reactions |
Electron Transport Chain | a series of of proteins in which the high energy electrons from the Krebs cycle are used to convert ADP into ATP |