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Cell junction

Cell junction

(Science: cell biology) Specialised junctions between cells.

See: adherens junctions, desmosomes, tight junctions, gap junctions.


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plasmodesm and gap junction

The answer I found is that plant cell walls are not permeable to big proteins (more than 30-60 kDa), so they must be ... walls for protein transportation. So an animal cell necessarily doesn't have gap junction. But I'm not sure. Is it right? Any idea would be appreciated.

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by mnatashgaran
Mon Apr 01, 2013 7:46 pm
 
Forum: Cell Biology
Topic: plasmodesm and gap junction
Replies: 1
Views: 1500

Real Time reverse transcription PCR Questions

... transcription PCR). The protocol I have in mind is to transfect my cells with my desired proteins and when I split my cell lysate I will keep ... within an exon and also that you want the primers to be at an exon-exon junction because that would eliminate genomic DNA contamination. Which one ...

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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: 1997

Re: Muscle Contractions

... idea with the nerve pulse and Ach release into the neuromuscular junction... Once the Ach binds to its nicotinic receptor, it opens ligand gated channels for Na+ diffusion into muscular cell. This gives it enough "voltage" to reach its threshold which initiates ...

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by Jpoley
Tue Mar 01, 2011 2:42 am
 
Forum: Human Biology
Topic: Muscle Contractions
Replies: 1
Views: 5909

Re: 5 questions about cell biology

1.Which cell junctions doesn't have cytoskeleton filament? A.Gap junction B.Tight junction I think this is gap junction but ...

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by ATPenergy
Sat Feb 20, 2010 2:14 am
 
Forum: Cell Biology
Topic: 5 questions about cell biology
Replies: 6
Views: 4858

5 questions about cell biology

1.Which cell junctions doesn't have cytoskeleton filament? A.Gap junction B.Tight junction 2.Destruction of stress fiber is ...

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by ATPenergy
Fri Feb 19, 2010 4:19 am
 
Forum: Cell Biology
Topic: 5 questions about cell biology
Replies: 6
Views: 4858
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