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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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Insulin signaling

Does insulin floating in the blood signal to the insulin sensitive tissues like muscle and body fat to prepare to absorb glucose OR is it the Islets of Langerhans that give out the signal directly somhow?

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by rturu
Wed Aug 19, 2009 9:41 pm
 
Forum: Human Biology
Topic: Insulin signaling
Replies: 1
Views: 58

b cells and active immunity

... cells or memory cells. My question is how Memory cells are 'chosen' for the job. I understand that they're clones by process, but is there a signal that picks specific ones for the job? Or is it just random chance that just a certain few will be left designated as memory cells?

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by raneynickel
Sat Aug 08, 2009 12:53 am
 
Forum: Cell Biology
Topic: b cells and active immunity
Replies: 1
Views: 117

Re: Which compartments of cell are associated with the following

Thank you for your help thus far, however I am still stuck on e. I know that bound signal recognition particles are associated with ribosomes, however what about unbound signal recognition particles... would it be correct to assume that they are associated with just ...

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by NewtoBiology
Thu Aug 06, 2009 6:50 pm
 
Forum: Cell Biology
Topic: Which compartments of cell are associated with the following
Replies: 3
Views: 182

Re: Gene cloning question

... the N- or C- terminus to be able to move around in order to fold right. However, you're probably best off starting with 5-10. Also, most of these signal peptides are at the N- or C- terminus, not in the middle of the protein, and the probability of you creating a signal sequence out of chance ...

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by MrMistery
Sat Aug 01, 2009 3:08 am
 
Forum: Molecular Biology
Topic: Gene cloning question
Replies: 11
Views: 1443

Gene cloning question

... and the reporter gene - without problems. I could imagine for example if we had many (5-6-8-10-12..) it could accidentally become an NLS or other signal and our fusion protein will mislocalize.

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by kk
Wed Jul 29, 2009 8:07 am
 
Forum: Molecular Biology
Topic: Gene cloning question
Replies: 11
Views: 1443
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