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Ch. 9 Sections 1&2 vocab
n/a
9
Biology
10th Grade
12/15/2010

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Term
Krebs cycle
Definition
2nd stage of cellular respiration, in which pyruvic acid is broken down into carbon dioxide in a series of energy-extracting reactions
Term
NAD+
Definition
electron carrier involved in glycolysis
Term
aerobic
Definition
process that requires oxygen
Term
anaerobic
Definition
process that does not require oxygen
Term
calorie
Definition
amount of energy needed to raise the temperature of 1 gram of water by 1 degree Celsius
Term
cellular respiration
Definition
process that releases energy by breaking down glucose and other food molecules in the presence of oxygen
Term
electron transport chain
Definition
a series of proteins in which the high-energy electrons from the Krebs cycle are used to convert ADP into ATP
Term
fermentation
Definition
process by which cells release energy in the absence of oxygen
Term
glycolysis
Definition
first step in releasing the energy of glucose, in which a molecule of glucose is broken into two molecules of pyruvic acid
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