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MCAT Biological and Biochemical Foundations of Living Systems Flashcards: 1d Bioenergetics Thermodynamics

Study 1d Bioenergetics Thermodynamics in MCAT Biological and Biochemical Foundations of Living Systems with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

Identify the sign of ΔG\Delta G for a reaction with ΔH>0\Delta H > 0 and ΔS<0\Delta S < 0 at any TT.

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ANSWER

ΔG>0\Delta G > 0 at all TT. Positive enthalpy and negative entropy ensure the Gibbs free energy remains positive, preventing spontaneity at any temperature.

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MCAT Biological and Biochemical Foundations of Living Systems: Foundational Concept 1: Biomolecules and Metabolism

You are herePrinciples of Bioenergetics and Thermodynamics (1D)24 cards

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What this deck covers

This deck focuses on 1d Bioenergetics Thermodynamics, giving you a quick way to review the definitions, rules, and examples that matter most for MCAT Biological and Biochemical Foundations of Living Systems.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 25Practice questions for this set
A metabolic reaction releases heat to the surroundings (ΔH<0\Delta H<0) but is observed to be nonspontaneous in the forward direction under the tested conditions (ΔG>0\Delta G>0). Which conclusion is most consistent with ΔG=ΔH−TΔS\Delta G=\Delta H-T\Delta S?
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