Dictionary » C » Configurations

Configurations

Configuration

(Science: chemistry) The three-dimensional arrangement of an organic molecule that is caused by: double bonds that prevent free rotation, or chiral centres that haveside groups arranged around them in a particular order.

a configurational isomer cannot be turned into another configuration without breaking covalent bonds.


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Re: Any SOLID arguments against evolution?

... have their own sets of DNA (mitochondrial DNA) which replicate independently of the parent cell and retain to a large degree their ancestral configurations. Furthermore the multiple membrane configuration of the mito or chloroplast is an indicator that these organelles might not have originated ...

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by AFJ
Thu May 21, 2009 1:44 am
 
Forum: Evolution
Topic: Any SOLID arguments against evolution?
Replies: 106
Views: 16703

Re: Any SOLID arguments against evolution?

... have their own sets of DNA (mitochondrial DNA) which replicate independently of the parent cell and retain to a large degree their ancestral configurations. Furthermore the multiple membrane configuration of the mito or chloroplast is an indicator that these organelles might not have originated ...

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by AstusAleator
Wed May 20, 2009 3:52 am
 
Forum: Evolution
Topic: Any SOLID arguments against evolution?
Replies: 106
Views: 16703

Re: Conservative region of a gene

... -- some changes would be harmful, but others wouldn't matter. The functional areas, such as catalytic sites, must retain particular amino acid configurations or the protein will lose or alter a function. If the proteins is doing something that helps the organism survive and reproduce, the critical ...

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by jonmoulton
Mon May 04, 2009 3:06 pm
 
Forum: Genetics
Topic: Conservative region of a gene
Replies: 2
Views: 584

Entropy

change in S is Q/T, there is no actual S for any one particle, it's a group phenomenon which makes sense because it's a measure of different configurations available to a system.

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by mith
Sun Nov 30, 2008 2:07 pm
 
Forum: General Discussion
Topic: Entropy
Replies: 14
Views: 2151

diffusion and osmosis. help me please?

... Diffusion is driven by pretty much two things: entropy and brownian motion. The assumption of entropy is that there are a number of different configurations, each equally likely. the usual example is throwing a set of dices. Each dice is independent of other dices and each outcome is equally ...

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by mith
Thu Oct 02, 2008 3:37 am
 
Forum: Cell Biology
Topic: diffusion and osmosis. help me please?
Replies: 1
Views: 2766
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