System types — examples?
Open, closed, isolated systems
Life's energy processes?
Extraction, transformation, dissipation.
ΔG — sign for spontaneous?
Negative ΔG indicates spontaneity
Open vs closed systems?
Open: matter and energy exchange.
Bioenergetics — focus?
Energy exchange, transformation, thermodynamics in biology
First law of thermodynamics?
Energy conserved; ΔU = Q + W.
Enthalpy (H)?
Heat exchange at constant pressure.
Spontaneous reaction condition?
ΔG < 0.
Entropy (S)?
Disorder measure, increases spontaneously.
Gibbs free energy (G)?
ΔG = ΔH - TΔS; reaction spontaneity.
Metti alla prova le tue conoscenze con 9 domande su Bioenergetics and Thermodynamics in Biology.
1. According to the second law of thermodynamics, what is the trend of entropy in the universe?
2. What does the change in Gibbs free energy (ΔG) indicate about a biochemical reaction?
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