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12 Cards in this Set
- Front
- Back
Two types of metabolism
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Catabolism
Anabolism |
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Catabolism
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breaking down of molecules for energy
Catabolic pathways breakdown large molecules in a series of steps coupled to reactions that store energy in small carriers such as ATP and NADH |
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anabolism
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process where organisms use energy to build cell components
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Metabolism
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balance b/w catabolism and anabolism
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Examples of catabolic pathways
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glycolysis: glucose --> pyruvate
and citric acid cycle (TCA) |
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Examples of anabolic pathways
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pyrimidines - amino acids for making proteins
(smaller molecules to build larger ones) |
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Catalysis
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change in speed of a chemical reaction due to a catalyst
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Activation energy
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energy required to bring all molecules in a chemical reaction to a reactive state
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Enzymes
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catalytic proteins that speed up rate of reaction
lower activation energy by bringing substrates into proximity of each other and correctly orienting them |
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Active catalytic site
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part of an enzyme where the substrate binds
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Fructose-1,6-bisphosphate with aldolase enzyme yields...
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glyceraldehyde-3- phosphate + dihydroxyacetone phosphate
aldolase enzyme (at arrow) Fructose-1,6-bisphosphate → glyceraldehyde-3- phosphate + dihydroxyacetone phosphate |
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T/F
Enzymes can have multiple substrates of multiple shapes bind to them |
False;
they are very specific |