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Questions and Answers
What is the primary function of anabolic pathways in metabolism?
What is the primary function of anabolic pathways in metabolism?
- Release energy from chemical reactions
- Synthesize ATP molecules from ADP and Pi
- Break down molecules into smaller units to release energy
- Construct molecules from smaller units, usually requiring energy (correct)
Which type of reaction is characteristic of catabolic pathways?
Which type of reaction is characteristic of catabolic pathways?
- Endergonic reactions that release energy
- Exergonic reactions that release energy (correct)
- Endothermic reactions that break down molecules
- Exergonic reactions that require energy input
What is the net result of an endergonic reaction in terms of energy?
What is the net result of an endergonic reaction in terms of energy?
- Energy is required for the reaction to proceed (correct)
- No energy is gained or lost in the reaction
- Energy is stored in the products of the reaction
- Energy is released from the reactants
What is the relationship between exergonic reactions and energy?
What is the relationship between exergonic reactions and energy?
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What is the overall definition of metabolism in a living organism?
What is the overall definition of metabolism in a living organism?
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Study Notes
Anabolic Pathways
- Construct complex molecules from simpler ones
- Require energy input, often in the form of ATP
Catabolic Pathways
- Break down complex molecules into simpler ones
- Release energy, often in the form of ATP
Endergonic Reactions
- Require energy input
- Products have higher free energy than reactants
Exergonic Reactions
- Release energy
- Products have lower free energy than reactants
Metabolism
- The sum of all chemical reactions that occur within a living organism
- Involves anabolic and catabolic pathways
- Enables organisms to grow, reproduce, and maintain life
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Description
Test your knowledge on metabolism, anabolism, catabolism, endergonic reactions, and exergonic reactions. Learn about the definitions of these key concepts in biochemistry.
