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Energy transfer

Energy transfer

The transfer of energy of a given form among different scales of motion. In biochemistry, this concept generally refers to the transfer of groups from compounds that contain energy-rich bonding arrangements to compounds that have relatively energy-poor bonding characteristics via thermodynamically permissible enzymatic reactions. This principle is a major premise of the interaction between energy-producing and energy-utilizing metabolic pathways in living cells.


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Need help preping for exam

... environment. Many nutrients come the soil and thus the plants have to transfer them up to the leaves where photosunthesis takes place. Thus the ... adaptions such as movement and not having photosynthesis as a source of energy... Just ideas. I'm not sure if you've had your test yet. It's always ...

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by HilaryD
Sat Jul 18, 2009 2:17 am
 
Forum: General Discussion
Topic: Need help preping for exam
Replies: 4
Views: 167

Re: ATP hydrolysis releases energy, but what kind of energy?

The usual jargon is that the hydrolysis of ATP results in transfer of an exciton to another reaction. What that means is that the energy released by the hydrolysis excites an electron to a higher energy level (I can't tell you ...

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by jonmoulton
Thu May 21, 2009 7:12 pm
 
Forum: Molecular Biology
Topic: ATP hydrolysis releases energy, but what kind of energy?
Replies: 5
Views: 1070

Does anything affect absorption spectrum of chlorophyll?

... affect the absorption of different colors of light. Accessory pigments transfer their energy to chlorophyll a. The plant you had must have had differet accessory pigments. I'd guess ...

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by plasmodesmata11
Tue Mar 03, 2009 11:20 pm
 
Forum: Botany Discussion
Topic: Does anything affect absorption spectrum of chlorophyll?
Replies: 9
Views: 2132

Metabolism or Replication First?

... reproduction second. And more and more later, replication has occured. Energy transfering is not a difinition of metabolism. If we think that metabolism is any chemistry ...

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by titanman
Mon Sep 17, 2007 3:21 pm
 
Forum: Evolution
Topic: Metabolism or Replication First?
Replies: 14
Views: 3172

Metabolism or Replication First?

If you define metabolism as any chemistry involving energy transfer, which seems a fair definition, then reproduction is a subset of metabolism - and it is, ...

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by Darby
Sun Sep 16, 2007 12:10 am
 
Forum: Evolution
Topic: Metabolism or Replication First?
Replies: 14
Views: 3172
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