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Metabolism, Anabolism, Catabolism, Endergonic, Exergonic Reactions

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Metabolism, Anabolism, Catabolism, Endergonic, Exergonic Reactions

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Questions and Answers

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?

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?

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?

<p>They release energy from the reactants</p> Signup and view all the answers

What is the overall definition of metabolism in a living organism?

<p>The sum of all chemical reactions within a living organism</p> Signup and view all the answers

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.