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Proto-oncogene

proto-oncogene

(Science: molecular biology) The normal, cellular equivalent of an oncogene, thus usually a gene involved in the signalling or regulation of cell growth. In general, cellular proto-oncogenes are prefixed with a c, rather than their abnormal viral counterparts, that are prefixed with a v, for example c myc and v myc.

They are fragments of dNA, related to oncogenes but are the normal switches used to control growth and tissue repair.


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The end of creation?

... weren't any organisms nowadays I doubt life could appear again, because our atmosphere contains a lot of oxygen, which would probably kill any proto-organisms.

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by MrMistery
Sat Jun 20, 2009 12:48 am
 
Forum: Cell Biology
Topic: The end of creation?
Replies: 7
Views: 225

Bible vs Darwin

... RNA was found to spontaneously isolate itself inside a phospholipid membrane; this could possibly explain the origins of the first primitive "proto-cells." RNA is also capable of surviving fairly well on its own, as the existence of viroids (basically similar to retroviruses but without ...

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by alextemplet
Tue Oct 14, 2008 12:01 am
 
Forum: Evolution
Topic: Bible vs Darwin
Replies: 293
Views: 30219

Bird Evolution

you are correct Alex infact so called Proto feathers have been found[well they look like fibres or filaments] but the transition from the proto feather to a aero dynamically perfect feather is still a mystery[Although I know remember a theory ...

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by David George
Mon Aug 18, 2008 3:09 pm
 
Forum: Evolution
Topic: Bird Evolution
Replies: 9
Views: 2467

Excretory Devices: Proto and Metanephridium?

I need to clear some questions. Does the protonephridium function in the reabsorption of what my teacher calls 'good' solutes (ie. amino acids, sugars, etc.)? My notes claim they do not, I have read elsewhere that they do. Secondly, is it true that the metanephridium conducts ultrafiltiration in pod...

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by Raul7
Mon Jun 16, 2008 3:35 am
 
Forum: Physiology
Topic: Excretory Devices: Proto and Metanephridium?
Replies: 1
Views: 1312

Gene Ontolgy Help

... anybody know of a tool that can collect this data for me without having to do it manually, I have found a good site for mouse genes; http://proto.informatics.jax.org/prototypes/GOTools/web-docs/MGI_Term_Finder.html For the MGI site you just paste a list of gene ID’s and it ...

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by rishcaar
Sat Apr 12, 2008 9:22 pm
 
Forum: Bioinformatics
Topic: Gene Ontolgy Help
Replies: 4
Views: 2177
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