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Free energy

Free energy

a thermodynamic term used to describe the energy that may be extracted from a system at constant temperature and pressure. In biological systems the most important relationship is: _G = RTln(keq), where keq is an equilibrium constant. The amount of energy available for reactions to occur.


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Re: Increase in free energy in glycolysis

Increase in free energy just refers to Gibbs free energy. That free energy comes from enthalpy (internal energy) - entropy (chaos). ...

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by daniel.kurz
Wed Feb 05, 2014 3:03 am
 
Forum: Molecular Biology
Topic: Increase in free energy in glycolysis
Replies: 3
Views: 2202

Increase in free energy in glycolysis

... in a general biology textbook. It says that in the first 5 steps the free energy increases with each step. Two of those steps are powered by ATP, but the rest are not. ...

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by cadamcross
Sat Feb 01, 2014 2:25 am
 
Forum: Molecular Biology
Topic: Increase in free energy in glycolysis
Replies: 3
Views: 2202

Re: Why is ATP rather than GTP, CTP or TTP the energy currency?

The term`Energy Currency`is not accurate one . Because certain energy reactions ATP is NOT preferred ... important – GTP is preferred for the ` selective evolutionary force` for error free protein synthesis ( almost all of them CTP-GTP-TTP and ATP have same Bond energy . All ...

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by metingun2
Sun Oct 06, 2013 11:53 am
 
Forum: Molecular Biology
Topic: Why is ATP rather than GTP, CTP or TTP the energy currency?
Replies: 5
Views: 5584

Re: Is DNA living or non-living thing?? get the answer here

... know that I’m deeply engaged in a Don Quixotic mission-war to extricate-free the USA and world Science from the clutches and consequences of the ... Dov Henis (comments from 22nd century) http://universe-life.com/ Energy-Mass Poles Of The Universe http://universe-life.com/2012/11/14/701/

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by Dov Henis
Fri Feb 08, 2013 4:30 pm
 
Forum: Molecular Biology
Topic: Is DNA living or non-living thing?? get the answer here
Replies: 24
Views: 54661

Stomach bloating and weight gain

... and nausea. They said I have Celiac Disease, so I have been on a gluten free diet for almost two weeks and I have not noticed any change. I have ... it doesn't get to bad. I've tried to drink Boost drinks to keep my energy somewhat up but it makes me swell and get in pain so I am at a loss. ...

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by BloatedSC
Sun Jan 06, 2013 10:17 pm
 
Forum: Physiology
Topic: Stomach bloating and weight gain
Replies: 453
Views: 2702876
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