Term
Standard conditions for Gibbs free energy change |
|
Definition
T=298K, P=1atm (760mm Hg), 1M of reactants and products |
|
|
Term
Equ for Gibbs free energy at standard conditions |
|
Definition
ΔG°= (-2.3)(RT)log Keq = -(RT)Keq |
|
|
Term
Differences between ΔG° and ΔG |
|
Definition
ΔG is the actual free energy change for a rxn under cellular conditions |
|
|
Term
Eqn for the actual free energy change |
|
Definition
ΔG = ΔG° + {(RT) ln[products/reactants]} |
|
|
Term
Two examples of energy-rich compounds that release a large amount of energy when hydrolyzed |
|
Definition
Thioesters and Phosphate compounds are examples of these |
|
|
Term
Two important thioester compounds |
|
Definition
Acetyl-Coa and Succinyl-CoA are to examples of this |
|
|
Term
Two examples of high-energy phosphate compunds in muscle |
|
Definition
Phosphagens and Creatine phosphate are two examples of these |
|
|
Term
|
Definition
It is responsible for getting AMP back into the ADP/ATP cycle by using ATP to convert AMP into 2ADPs |
|
|
Term
Importance of rxn coupling |
|
Definition
The first rxn is exergonic and some its free energy is used to drive the 2nd endergonic rxn |
|
|
Term
Two ways to generate ATP in the cell |
|
Definition
Oxidatove phosphorylation in the ETC and substrate level phosphorylation where metabolites with higher group potential phosporylate ADP |
|
|