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Junctions

Junctions

See: adherens junction, desmosome, gap junction, zonula occludens.


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plasmodesm and gap junction

... the micromolecules & ions and connect the cells to each other. Why do all plant cells have plasmodesmata but only some animal cells have gap junctions?

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by mnatashgaran
Sun Mar 31, 2013 7:42 pm
 
Forum: Cell Biology
Topic: plasmodesm and gap junction
Replies: 1
Views: 1908

Re: connexins & pannexins

... and as non-junctional channels that can function as a paracrine signaling pathway. We discuss that two distinct groups of proteins form gap junctions in deuterostomes (connexins) and protostomes (innexins), and that channels formed of the deuterostome homologues of innexins (pannexins) differ ...

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by brad000123
Sat Oct 20, 2012 11:54 am
 
Forum: Molecular Biology
Topic: connexins & pannexins
Replies: 6
Views: 5823

How are memories created?

... create more neurons to make the new memory? Does it trigger cell division? (Though I thought neurons don't replicate.) Does it involve cell junctions? I know this is very specific, but I'm hoping someone could help me a little here. Thanks

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by animus
Thu Jun 28, 2012 11:53 pm
 
Forum: Physiology
Topic: How are memories created?
Replies: 3
Views: 3696

Re: Regulatory elements inside introns

... "intronic splice silencers". Alternative splicing is directed by proteins binding to RNA, often at regions distant from the splice junctions.

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by jonmoulton
Mon Apr 30, 2012 3:16 pm
 
Forum: Molecular Biology
Topic: Regulatory elements inside introns
Replies: 3
Views: 1887

Nervous system

I need some help with a couple of questions. 1.Factors that Could Affect Neuromuscular Junctions I. Increase in the production of adrenaline II. Inhibition of cholinesterase synthesis III. Inhibition of acetylcholine release IV. Blockage of receptor sites for acetylcholine ...

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by Catherine89
Sun Feb 05, 2012 7:22 pm
 
Forum: Human Biology
Topic: Nervous system
Replies: 0
Views: 3823
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