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Poly

poly

1. (Science: prefix) A combining form or prefix denoting many, multiplicity, as polygon, a figure of many angles; polyatomic, having many atoms; polychord, polyconic.

2. (Science: botany) A whitish woolly plant (Teucrium Polium) of the order Labiatae, found throughout the mediterranean region. The name, with sundry prefixes, is sometimes given to other related species of the same genus.

3. (Science: chemistry) A prefix meaning polymer of, as in polypeptide, polysaccharide, polynucleotide; often used with symbols, as in poly(A) for poly(adenylic acid), poly(lys) for poly(l-lysine).

Origin: G. Polys, much, many


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Re: Have all human genes been identified?

... mRNA, there may be more functions of alternative-spliced products of the gene waiting to be identified. Also: Alternative start codons Alternative poly-A tailing RNA editing (such as conversion of a base to inosine) Association of peptide chains into quartenary structures, with potential for alternative ...

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by jonmoulton
Thu Nov 29, 2012 6:43 pm
 
Forum: Molecular Biology
Topic: Have all human genes been identified?
Replies: 3
Views: 1532

Real Time reverse transcription PCR Questions

... to make cDNA. I will be using the 2 step protocol. Do most people use premade primers for the reverse transcription step? Oligo dT are just for poly A tails, so you don’t have to customize those right? I know this is a dumb question but I’m having trouble locating my exact gene sequence! My ...

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by wessH
Sun Jun 03, 2012 2:21 pm
 
Forum: Molecular Biology
Topic: Real Time reverse transcription PCR Questions
Replies: 0
Views: 2432

Clade v. Phylum

... have it all mixed up should I have really asked about some other phy- word? What I'm confused about is how a clade relates to what mono- para- and poly phyletic groups are about and the difference between cladistics and phylogenetics... sorry for the confusion... all the words that sound so similar ...

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by naturalgoats
Mon Mar 26, 2012 1:45 am
 
Forum: Evolution
Topic: Clade v. Phylum
Replies: 6
Views: 8618

Learning tissue culture, specifically moDC generation

... stick onto its surface (they attach readily to most "hard" plastic surfaces), serum-free culture medium (such as AIM-V), growth factors (poly-I:C, GM-CSF) and an incubator. Toss freshly isolated PBMCs on a properly sized plate (e.g. 24-well plate) in AIM-V, incubate for, say, 2 hours ...

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by biohazard
Fri Feb 03, 2012 2:09 pm
 
Forum: Cell Biology
Topic: Learning tissue culture, specifically moDC generation
Replies: 2
Views: 2213

Relationship between structure and function of glucoes

... to the oxygen of the sixth carbon. I apologize for causing this needless confusion. I think I have one more question, Jonmoulton. Starch is a poly-α-D-glucose. Cellulose is a poly-β-D-glucose. Am I correct? I am do not understand why you said that "starch is a polymer of pure 1-4 β form". ...

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by Adz795
Tue Sep 13, 2011 5:16 pm
 
Forum: Molecular Biology
Topic: Relationship between structure and function of glucoes
Replies: 12
Views: 17017
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