1. Cut along the dotted lines then fold
Occurs when chemical reactions break down nutrients in cells to release the energy in their chemical bonds and build molecules to store energy
Metabolism
Occurs when metabolic reactions use energy to build larger molecules from smaller ones; provides biochemicals required for cell growth and repair
Anabolism
Occurs when metabolic reactions release energy by tearing down larger molecules into smaller components
Catabolism

2. Dehydration synthesis
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An anabolic process where a water molecule (H2O) is formed when a hydrogen atom (H) is taken from one molecule and joined to a hydroxyl molecule (OH) from another; used to join amino acid molecules
Dehydration synthesis
Bond that creates a water molecule when amino acid molecules are joined by a bond between a carbon atom and a nitrogen atom
Peptide bond
Occurs when carbohydrates, lipids, and proteins are decomposed as a water molecule is split in the process
Hydrolysis

3. Enzymes Lipase Catalase
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Complex molecules that speed the rates of metabolic reactions by lowering the amount of activation energy required
Enzymes
Lipase
Enzyme that breaks down a lipid
Enzyme that speeds the breakdown of hydrogen peroxide into water and oxygen
Catalase

4. Adenosine triphosphate
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Release of chemical energy when bonds between atoms of molecules are broken
Oxidation
Three distinct reactions:
Glycolysis
Citric acid (Krebs) cycle
Electron chain transport
Cellular respiration
The primary energy storage molecule for the cell
Adenosine triphosphate
(ATP)

5. Adenosine diphosphate
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Molecule that results when ATP releases its terminal phosphate
Adenosine diphosphate
(ADP)
Means “breaking of glucose”
Occurs in the cytosol and does not require oxygen
6-C glucose is split into two 3-C molecules of pyruvate
Glycolysis
Occurs in the mitochondrion and does require oxygen
An 8-step process in which each acetyl-CoA molecule is converted into ATP
A big part of how food is converted into energy
Citric Acid Cycle
(Krebs Cycle)

6. Electron transport chain
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Occurs in the inner wall of the mitochondrion and does require oxygen
From ATP produced by the Krebs cycle, H atoms are released and used in this stage
Electron transport chain