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Internal energy

Internal energy

(Science: chemistry) a property of a system that can be changed by a flow of work, heat or both, it is represented by the symbol E (E represents the change in internal energy of a system) and is given in units of energy (Joules).


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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). Also expressed as Gibbs Free Energy = Enthalpy - Entropy. The idea is that ...

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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: 2075

Cellular Energy Questions

... by fire would destroy a cell. Explain how a cell manages to harvest the energy stored in glucose and still maintain internal temperatures conducive to life. (5) 3. To efficiently manage metabolism, cells need ...

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by flower555
Mon Nov 29, 2010 2:05 am
 
Forum: General Discussion
Topic: Cellular Energy Questions
Replies: 2
Views: 7608

Why a I hving a hard time with Biology

... criteria for being considered 'alive' (living organisms need to take in energy both to build and maintain their bodies, plus to reproduce). They ... like sodium and phosphorous. - when genes randomly mutate (alter their internal structure because of interaction with chemicals and radiation that ...

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by Julie5
Thu Oct 28, 2010 11:28 am
 
Forum: Cell Biology
Topic: Why a I hving a hard time with Biology
Replies: 2
Views: 7662

Re: Experimental evidence for evolution

... generated. Mutations are randomly generated from different sources both internal and external. What I am arguing is that these random mutations do ... the most fundamental law in physics, the law of conservation of energy, there is no explanation except that there is a manifestation that ...

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by jevg
Fri Sep 03, 2010 10:44 pm
 
Forum: Evolution
Topic: Experimental evidence for evolution
Replies: 103
Views: 176369

Discuss the Possibility that the Earth is a Supreme Being

... inside. Cell divisions give birth to the lower level. It is also her internal growth. The presence of a central nerve system decides the defintion ... coral reefs and fungi are her living tissues. The only source of energy from the universe (i.e. a mother cell) emitted from burning of her ...

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by kk23wong
Tue Jul 06, 2010 5:29 am
 
Forum: General Discussion
Topic: Discuss the Possibility that the Earth is a Supreme Being
Replies: 0
Views: 2839
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