Dictionary » D » Determinations

Determinations

Determination

(Science: cell biology) The committment of a cell to a particular path of differentiation, even though there may be no morphological features that reveal this determination. Generally irreversible, but in the case of imaginal discs of drosophila that are maintained by serial passage, transdetermination may occur.


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Theories - Origin of Life

... optimized and will not change very fast. In other words there must be some body plan by which these mutations can be compared in order to make any determinations as to whether to continue or abort. I don’t know what the reference to the “body plan” means. If you meant to say “template,” I have ...

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by AstraSequi
Tue Mar 27, 2012 2:42 am
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 559
Views: 755938

Re: Theories - Origin of Life

... is ready to move on to the next stage. In other words there must be some body plan by which these mutations can be compared in order to make any determinations as to whether to continue or abort. No one as far as I am aware has even adequately addressed the how cell differentiation can be the ...

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by scottie
Mon Mar 19, 2012 4:42 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 559
Views: 755938

Protein concentrations:Can it drastically change its effect?

did you do some determinations at various intervals of time after treatment? Here is an idea: inoculate your protein on your culture, then after 6 hours take the flasks out of the incubator and freeze the cells. After 12 hours take ...

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by MrMistery
Fri Mar 28, 2008 4:31 pm
 
Forum: Cell Biology
Topic: Protein concentrations:Can it drastically change its effect?
Replies: 7
Views: 3522

O.D. and cell number

I am afraid you cannot do that. It depends on the type of bacteria. From what i know, when you start with a culture, you first need to do paralel determinations with the spectophotometer and serial dillutions, and only then can you use OD

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by MrMistery
Fri Nov 02, 2007 11:52 am
 
Forum: Microbiology
Topic: O.D. and cell number
Replies: 9
Views: 45601

Are my answers right?

... stop codons. • Various methods for detection: use of positional weight matrices and Hidden Markov models common. 3. Comparative methods: • Make determinations based on sequence homology. • Translated sequences are subjected to database searches against protein sequences to determine if it is ...

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by roniadam
Mon May 21, 2007 2:07 am
 
Forum: General Discussion
Topic: Are my answers right?
Replies: 2
Views: 3341
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