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Questions and Answers
Gibbs free energy is more likely negative when_________.
Gibbs free energy is more likely negative when_________.
- entropy increases and enthalpy is low (correct)
- entropy decreases and enthalpy is high
- entropy and enthalpy are high
- entropy and enthalpy are low
The 2nd law of thermodynamics stipulates that_______.
The 2nd law of thermodynamics stipulates that_______.
- entropy decreases
- enthalpy (bond energy) increases
- entropy increases (correct)
An enzymatic reaction will most likely proceed if_________.
An enzymatic reaction will most likely proceed if_________.
- the activation energy is lower than the energy expended to promote a reaction. (correct)
- the activation energy is higher than the energy expended to promote a reaction.
- activation energy is not provided due to enzyme misfolding.
- two reactants bind to the enzyme that normally do not bind because of a mutation in the binding region.
Energy carriers are activated________.
Energy carriers are activated________.
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Gibbs free energy is negative when_______.
Gibbs free energy is negative when_______.
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•𝚫G indicates_______.
•𝚫G indicates_______.
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In Catabolism, molecules are____whereas in Anabolism molecules are_______.
In Catabolism, molecules are____whereas in Anabolism molecules are_______.
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Which of the molecules below are activated carriers?
Which of the molecules below are activated carriers?
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Equilibrium refers to a state where_______.
Equilibrium refers to a state where_______.
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Enzymes________.
Enzymes________.
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Study Notes
Thermodynamics and Reactions
- Gibbs free energy is more likely negative when the reaction is spontaneous.
- The 2nd law of thermodynamics stipulates that the total entropy of a closed system always increases over time.
Enzymatic Reactions
- An enzymatic reaction will most likely proceed if the substrate binds to the active site of the enzyme.
- Energy carriers are activated when they carry energy from one reaction to another.
Gibbs Free Energy
- Gibbs free energy is negative when the reaction is spontaneous and favorable.
- ΔG indicates the change in Gibbs free energy.
Metabolism
- In Catabolism, molecules are broken down to release energy, whereas in Anabolism molecules are built up to store energy.
Activated Carriers
- ATP, NADH, and FADH2 are activated carriers.
Equilibrium
- Equilibrium refers to a state where the rates of forward and reverse reactions are equal.
Enzymes
- Enzymes act as biological catalysts to speed up chemical reactions in living organisms.
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