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Signal

signal

1. Noticeable; distinguished from what is ordinary; eminent; remarkable; memorable; as, a signal exploit; a signal service; a signal act of benevolence. As signal now in low, dejected state As erst in highest, behold him where he lies. (milton)

2. Of or pertaining to signals, or the use of signals in conveying information; as, a signal flag or officer. The signal service, a bureau of the government (in the united states connected with the war department) organised to collect from the whole country simultaneous raports of local meteorological conditions, upon comparison of which at the central office, predictions concerning the weather are telegraphed to various sections, where they are made known by signals publicly displayed. Signal station, the place where a signal is displayed; specifically, an observation office of the signal service.

Synonym: eminent, remarkable, memorable, extraordinary, notable, conspicuous.

Origin: From signal, n., cf. F. Signale.


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Re:

@sosippus just two things 1) how would they detect the luminiscence? Better would be some chemical signal as we know it from here. 2) surprise, surprise, bacteria do not require organic carbon source http://en.wikipedia.org/wiki/Autotroph True and true! Thanks, had forgotten ...

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by sosippus
Sun Nov 09, 2014 1:13 pm
 
Forum: Microbiology
Topic: Science vs. Science Fiction, non-scientist needs help
Replies: 5
Views: 6104

Science vs. Science Fiction, non-scientist needs help

@sosippus just two things 1) how would they detect the luminiscence? Better would be some chemical signal as we know it from here. 2) surprise, surprise, bacteria do not require organic carbon source http://en.wikipedia.org/wiki/Autotroph

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by JackBean
Sat Nov 08, 2014 5:08 pm
 
Forum: Microbiology
Topic: Science vs. Science Fiction, non-scientist needs help
Replies: 5
Views: 6104

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 protein synthesis would have to ...

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by JackBean
Tue Sep 30, 2014 8:16 am
 
Forum: Molecular Biology
Topic: translation from DNA
Replies: 4
Views: 5393

mRNA vs. cell reporter assay

If the cells autofluoresce, this could confound interpretation of the GTP signal. if you are looking for downregulation of transcription, it takes a while for preexisting GPR to degrade but the mRNA signal is likely to disappear fairly rapidly once transcription ...

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by jonmoulton
Mon Sep 08, 2014 5:27 pm
 
Forum: Cell Biology
Topic: mRNA vs. cell reporter assay
Replies: 2
Views: 2933

mRNA vs. cell reporter assay

... cell line that drives GFP expression upon activation of a transcription factor. In theory, I can study transcription factor activation via the GFP signal, or by measuring the mRNA of the transcription factor. I wonder what are the pros and cons of each. Can anyone help me figure this out? Thanks, ...

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by aguy
Mon Jul 07, 2014 2:50 am
 
Forum: Cell Biology
Topic: mRNA vs. cell reporter assay
Replies: 2
Views: 2933
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