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Red nucleus

red nucleus

A distinctive oval nucleus (pink in fresh specimens because of an iron-containing pigment in many of the cells) centrally placed in the upper mesencephalic reticular formation. It receives fibres from the deep cerebellar nuclei and cerebral cortex and projects fibres to the cerebellum, brainstem, spinal cord, and probably to the thalamus. The nucleus is divided into two regions: pars magnocellularis and pars parvocellularis.


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Re: Purpose of a primase/polymerase localized to the cytosol?

... to verify this). It also could be a remnant/product of a regular bacterial DNA pol that replicated its genetic elements as there is no cytosol/nucleus compartmentalization in bacteria. Does this sound sensible?

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by Hrushikesh
Fri Dec 12, 2014 8:40 pm
 
Forum: Molecular Biology
Topic: Purpose of a primase/polymerase localized to the cytosol?
Replies: 2
Views: 1629

Re: Totipotent Stem Cell From Molecular Components

... a diploid set from the rest of the DNA and use the rest of the DNA for PCR. I form the histone proteins at the same time that I am forming the nucleus and put the histone proteins in the test tube with the diploid set of chromosomes, make sure there is no more than 1 chromosome per histone, ...

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by caters
Fri Aug 01, 2014 1:42 am
 
Forum: Cell Biology
Topic: Totipotent Stem Cell From Molecular Components
Replies: 2
Views: 6948

Spontaneous formation of nuclear membrane

I have doubt regarding double membranes around nucleus. Single membrane structures may be formed spontaneously due to amphipathic nature phospholipids. But how double membrane architecture in nucleus form spontaneously after each cell division? ...

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by josem
Sun Jun 22, 2014 1:14 am
 
Forum: Cell Biology
Topic: Spontaneous formation of nuclear membrane
Replies: 1
Views: 2713

Please help me identify this cell

I'm no histologist and especially not experienced with animal tissues, but I'd guess it would be the nucleus and the cell. Where else would you have the cell? Do not forget there can be also white blood cells.

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by JackBean
Sun May 04, 2014 12:09 pm
 
Forum: Cell Biology
Topic: Please help me identify this cell
Replies: 4
Views: 3122

Please help me identify this cell

... tell me what kind of cell this was in the center. The light purple oval with the small purple dot is the one that interests me. Is the dot the nucleus and the light purple oval is the rest of the cell, or is it the nucleolus and the light purple is the nucleus? I want to guess from the histology ...

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by Marauder21
Thu Apr 10, 2014 5:01 am
 
Forum: Cell Biology
Topic: Please help me identify this cell
Replies: 4
Views: 3122
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