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Free energy and energy processing- Bozemanbiology- Uriel M
some general terms and concepts from Campbell's 6th edition Biology concepts and connections text book
20
Biology
10th Grade
04/15/2012

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Term
Energy
Definition
The capacity to perform work. (work is performed when an object is moved against an opposing force)
Term
Kinetic Energy
Definition
the energy of motion. 
Term
Heat, or thermal energy
Definition
A form of kinetic energy associated with the random movement of atoms or molecules.
Term
Potential energy
Definition
stored energy as a result of its location or structure.
Term
Chemical Energy
Definition
the potetial energy present because of the arrangement of their atoms.(type of potential energy)
Term
Thermodynamics
Definition
The study of energy transformation
Term
first law of thermodynamics
Definition
ENergy can by transfered and transformed, but not created or destroyed.
Term
Second law of Thermodynamics
Definition
Some energy is lost in energy transformations in the form of heat.
Term
Entropy
Definition
a messurement of the randomness, or dissorder 
Term
Exergonic reaction
Definition
a Chemical reaction that releases energy(gibbs free energy or delta G <0
Term
Endergonic
Definition
yields porducts that have moe enegry than it took to make them (delta G>0)
Term
Equation for Gibss fre energy
Definition
ΔG=ΔH-TΔS
Term
Delta H in gibbs free energy
Definition
total energy(Enthalpy)
Term
T in gibbs free energy
Definition
temperature
Term
Delta S in gibbs free energy
Definition
Entropy (randomness) 
Term
Enthalpy
Definition
total energy
Term
Energy Coupling
Definition
the use of energy relesed from exergonic reactions to drive essential endergonic reactions.
Term
Metabolic pathway
Definition
a series of chemical reactions that either builds a complex molecules or breaks down a complex molecule into a simpler one. 
Term
Activation energy
Definition
the amout of energy needed to push the reactants over an energy barrier so the "downhill" portion of the reaction can start.
Term
Redox reaction
Definition
The loss of electrons from one substance is called oxidation the addition of electrons from one substace to another is called reduction. this is a controlled form of tranfering energy.
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