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Chapter 9
Cellular Respiration
9
Biology
9th Grade
12/01/2014

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Term
calorie
Definition
  • Energy stored in food
  • Amount of energy needed to raise the temperature of 1 gram of water 1 degree Celsius
Term
cellular respiration
Definition
  • The process that releases energy from food in the presence of oxygen
Term
aerobic
Definition
  • "in air"
  • Pathways of cellular respiration that require oxygen are said to be________.
  • The Krebs cycle and electron transport chain are both _______ processes.
Term
anaerobic
Definition
  • "without air"
  • Glycolysis is said to be ______.
Term
glycolysis
Definition
  • "sugar-breaking"
  • involves many chemical steps that transform glucose
  • 1 molecule of glucose, 6-carbon compound, is transformed into 2 molecules of pyruvic acid, a 3-carbon compound
Term
NAD+
Definition
  • an electron carrier
  • nicotinamide adenine dinucleotide
Term

krebs cycle

[image]

Definition
  • pyruvic acid is broken down into carbon dioxide in a series of energy-extracting reactions
  • British biochemist demonstrated its existence in 1937
Term

matrix


[image]

Definition
  • the innermost compartment of the mitochondrion
  • the site of the Krebs cycle reactions
Term
fermenatation
Definition
  • In the absence of oxygen, _________ releases energy from food molecules by producing ATP.
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