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Lecture_21-Biothermodynamics

# Lecture_21-Biothermodynamics - Biothermodynamics What is it...

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BIOENERGETICS AND BIOTHERMODYNAMICS Energy Flow in Living Systems Biothermodynamics: What is it? Energy in living things: where it comes from, where it goes and how it gets there carbohydrates lipids proteins (Bio)thermodynamics: Review According to the 1 st law of thermodynamics: A. the universe tends to increasing disorder. B. the total energy in existence is constant. C. there is no entropy at the temperature absolute 0. (Bio)thermodynamics: Review According to the 2 nd law of thermodynamics: A. the universe tends to increasing disorder. B. the total energy in existence is constant. C. there is no entropy at the temperature absolute 0.

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(Bio)thermodynamic Relationships Δ G = Δ H T Δ S For a reaction to be spontaneous, the G rxn must be: A. > 0 B. = 0 C. < 0 D. Any of the above. (Bio)thermodynamic Relationships Δ G = Δ H T Δ S For a reaction to be spontaneous, the H rxn must be: A. > 0 B. = 0 C. < 0 D. Any of the above. (Bio)thermodynamic Relationships Δ G = Δ H T Δ S For a reaction to be spontaneous, the S rxn must be: A. > 0 B. = 0 C. < 0 D. Any of the above. (Bio)thermodynamic Relationships Δ G = Δ H T Δ S What factor below affects S? A. volume B. concentration C. size D. all of the above
(Bio)thermodynamic Relationships Δ G = Δ H T Δ S The G total of all reactions in a living thing can never be: A. > 0 B. = 0 C. < 0 D. any of the above.

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