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Nuclear pore

Nuclear pore

(Science: cell biology) openings in the nuclear envelope, diameter about 10 nm, through which molecules such as nuclear proteins synthesised in the cytoplasm) and rna must pass. Pores are generated by a large protein assembly. Perforations in the [[ Nuclear membrane which allow select materials to flow in and out.


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sodium-potassium pump

... leave the cell, while potassium ions enter the cell; is this through a nuclear pore, or an enzyme, or what? Any help in helping clarify this topic would be appreciated... ...

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by Herst
Wed Oct 15, 2008 12:36 am
 
Forum: General Discussion
Topic: sodium-potassium pump
Replies: 2
Views: 781

The Fiber Disease

... say these are non-biting midges. What if they are not biting but are pore entry? into us? by way of microsporidium from the algae? Also, possible ... in intracellular lysosomes, along the cell membrane, along the nuclear membrane, and within the nucleus. Finding significant numbers of ...

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by Skytroll
Sun Aug 20, 2006 8:13 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 748642

the puzzle of chaperones!

... proteins), cf. prions. Heat shock proteins also assist in the import of nuclear proteins into mitochondria and chloroplast by denaturing them and passing them through a pore (TOM/Tim23 complex in mitochondria). Although I have no source for this, I believe ...

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by dae
Sun May 07, 2006 3:11 am
 
Forum: Molecular Biology
Topic: the puzzle of chaperones!
Replies: 5
Views: 1084

ok lets see

... It is found that mitochondia lost its transmembrane potential before nuclear apoptotic changes occur. This specific pre-apoptotic collapse of ... in many cell types. It is mediated through permeability transition (PT) pores, a complicated proteinous megachannel that allows for the dissipation ...

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by ginny
Mon Jul 18, 2005 11:53 pm
 
Forum: Cell Biology
Topic: Liver Cells
Replies: 9
Views: 2182


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