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9 terms

ch 9 sec 1 &2

cellular respiration
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calorie
amount of energy needed to raise the temperature of 1 gram of water by 1 degree Celsius
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
converts chemical energy in one form to chemical energy in more directly usable forms for the cells of organisms
nicotinamide adenine dinucleotide
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 proteins in which the high-energy electrons from the Krebs cycle are used to convert ADP into ATP