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Efficiency

Efficiency

1. The quality of being efficient or producing an effect or effects; efficient power; effectual agency. The manner of this divine efficiency being far above us. (Hooker)

2. (Science: mechanics) The ratio of useful work to energy expended. Efficiency of a heat engine, the ratio of the work done an engine, to the work due to the heat supplied to it.

Origin: L. Efficientia.


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Problems with gene knockdown

... Of the sequences, at least 3 showed significant knockdown in Luciferase assay. Does anyone know any other way to select shRNAs with good knockdown efficiency? I am really stumped at the moment. Any suggestion would be really appreciated. Thanx.

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by zodiac1505
Tue Sep 08, 2009 11:31 am
 
Forum: Molecular Biology
Topic: Problems with gene knockdown
Replies: 0
Views: 43

Why not hundreds of different sexes, why only two ?

If you look at evolutionary trends in general, efficiency and simplicity in any given situation often wins. If there were more than two genders, that would create too many possible permutations of mating relations for mating to really be efficient. ...

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by jyaron
Sun Aug 16, 2009 6:30 pm
 
Forum: Evolution
Topic: Why not hundreds of different sexes, why only two ?
Replies: 2
Views: 104

Re: efficiency of body cells

That being said, I must admit that this is an interesting theory, because our genome certainly contains a whole lot of genetic material that has no apparent use, and still it adds to our metabolic load each time a cell divides. I think I have to study this phenomenom more and return to our topic bi...

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by parth88
Thu Aug 13, 2009 4:29 am
 
Forum: Cell Biology
Topic: efficiency of body cells
Replies: 7
Views: 209

efficiency of body cells

A friend of mine says he has found a theory of life which suggests that a decent percentage of cells in a multi-cellular organism doesn't contribute to the organism as a whole and merely exists eating away its resources. Generally speaking, not all cells of type x supposed to do some fucntion y for ...

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by parth88
Wed Aug 12, 2009 1:31 pm
 
Forum: Cell Biology
Topic: efficiency of body cells
Replies: 7
Views: 209

Anybody have some answer

... on animals (animal models of Parkinson Stellenmarkt , for example) shows that there are still a lot of problems. So, I don't believe in the efficiency of their treatment. Please inform yourself before taking a decision.

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by anmassi
Fri Jul 31, 2009 8:53 am
 
Forum: Cell Biology
Topic: Anybody have some answer
Replies: 5
Views: 210
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