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Regulation

Regulation

1. (Science: biology) The adaption of form or behaviour of an organism to changed conditions.

2. (Science: embryology) The power of a pregastrula stage to form a whole embryo from a part.

Origin: L. Regula = rule (embryology) the ability of an early embryo to continue normal development after its structure has been somehow damaged or altered.The monitoring of a particular situation or reaction.


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translation from DNA

What jonmoulton wrote is true (regulation on RNA level), but further there is amplification of the signal (there can be thousands copies of each mRNA, each giving rise to hundreds of protein molecules), also, during replication of DNA the ...

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by JackBean
Tue Sep 30, 2014 8:16 am
 
Forum: Molecular Biology
Topic: translation from DNA
Replies: 2
Views: 212

Re: translation from DNA

... no evidence of the steps in the process; we must infer the process from observing modern biochemistry. However, I can speculate that much of the regulation of gene expression occurs at the RNA level, with variations in the stability of RNA, translational repression by mRNA, inhibition by natural ...

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by jonmoulton
Mon Sep 29, 2014 3:03 pm
 
Forum: Molecular Biology
Topic: translation from DNA
Replies: 2
Views: 212

1 small multiple choice question [population dynamics]

The International Whaling Commission (IWC) is an international body set up by the terms of the international Convention for Regulation of Whaling (ICRW) which was signed in Washington, D.C., United States, on 2 December 1946 to "provide for the proper conservation of whale stocks ...

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by Jeddles
Mon Sep 22, 2014 8:00 am
 
Forum: Ecology
Topic: 1 small multiple choice question [population dynamics]
Replies: 1
Views: 253

Graphs depicting qPCR fold change

... of the time, but neither of these are ideal as far as I can tell: 1. On a scale from 0 to whatever, where values between 0 and 1 represent down-regulation, and values >1 represent up-regulation. But the problem with this method is that it is harder to appreciate the extent of down-regulation. ...

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by loudowns
Mon Jun 30, 2014 4:37 pm
 
Forum: Molecular Biology
Topic: Graphs depicting qPCR fold change
Replies: 0
Views: 600

Re: Odd mechanism for cancer

... though there were a lot of other references to interon on the internet, especially in older articles. http://www.infoplease.com/cig/biology/regulation-gene-expression-prokaryotes-eukaryotes.html You should Google operon + interon + cancer, then when it asks "if you meant intron" ...

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by oldfaithful
Thu Jun 26, 2014 12:56 pm
 
Forum: Cell Biology
Topic: Odd mechanism for cancer
Replies: 6
Views: 4272
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