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10 Cards in this Set
- Front
- Back
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What is an endergonic reaction?
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A reaction in which energy is absorbed, such as photosynthesis.
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What is an exergonic reaction?
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A reaction in which energy is released,
such as cellular respiration. |
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What is anabolism?
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Building up
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What is catabolism?
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Breaking down
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What is metabolism?
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The sum of all anabolic & catabolic reactions in an organism or cell.
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What is an anaerobic process?
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A process that does not require oxygen.
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What is an aerobic process?
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A process that requires oxygen
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What are enzymes?
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Enzymes are protein catalysts that reduce the activation energy in a biological reaction. All chemical reactions require activation energy to break chemical bonds and begin the reaction.
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What conditions affect the function of enzymes?
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Very high temperatures may denature an enzyme due to the fact that enzymes are protein. Most pH levels will not affect the function of an enzyme.
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What is a substrate?
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A substrate binds to the active site of an enzyme to activate the enzyme so it can act as a catalyst.
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