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11 Cards in this Set
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Is catabolism usually convergent or divergent?
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Convergent.
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Is anabolism usually convergent or divergent?
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Divergent.
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Which bond in ATP has more energy? Phosphoester or phosphoanhydride?
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The phosphoanhydride bonds (between alpha and beta, and between beta and gamma) have higher energy than the phosphoester bond (between the alpha phosphate and ribose).
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What is redox potential?
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The affinity of a substance for electrons.
Electronegative substances have high affinity (positive redox potential!) Electropositive substances have low affinity (negative redox potential) |
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Enthalpy (H)
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The sum of internal energy of matter (kinetic + potential E)
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Entropy
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Measurement of disorder in the system.
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What is the equation for Gibb's free energy?
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G= H- TS (in deltas!)
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In terms of enthalpy and entropy, in which direction will a reaction proceed?
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A reaction will proceed in the direction which minimizes its enthalpy, and maximizes entropy.
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What is the ration of [P]/[R] in standard state for the change in Gibb's free energy?
What is the slope when the system is in equilibrium? |
1
In equilibrium, the slope is 0. |
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The free energy for a mixture of substance is always lower than that of either pure substances.
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yes
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What is the equation for the change in Gibb's energy based on deltaG at STP?
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deltaG= delta G (STP) + RT ln[P]/[R]
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