Dictionary » N » Nuclear division

Nuclear division

Definition

noun

The process by which a nucleus divides, resulting in the segregation of the genome to opposite poles of a dividing cell.


Supplement

Nuclear divisions occur in both mitosis and meiosis. In mitosis, the result is the division of duplicated copies of genome into two. In meiosis, nuclear division occurs twice, dividing the originally single nucleus into four nuclei that are genetically different from one another.


Synonym: karyokinesis

Compare: cell division

See also: mitosis, meiosis


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Spontaneous formation of nuclear membrane

... membrane architecture in nucleus form spontaneously after each cell division? In the case mitochondria and chloroplast, the double membrane is form spontaneously because they are produced from parent organelles. Do nuclear pore complex have any role in the case of nucleus?

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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: 1593

Re: Help with indentifying object - can't narrow to even kingdom

... slime molds ideal tools for scientists studying mitosis, the process of nuclear division. Occasionally, during rainy periods, large plasmodia (up to a few meters in diameter) ...

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by Sadial
Fri Jul 26, 2013 6:29 pm
 
Forum: General Discussion
Topic: Help with indentifying object - can't narrow to even kingdom
Replies: 2
Views: 4496

Re: Animal cell nucleus shape changes

... your next project. First, a major role of the nucleus during cell division is to temporarily get out of the way; the nuclear membrane disappears for a while. Transcription occurs in the nucleus, but then the ...

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by jonmoulton
Fri Nov 16, 2012 4:03 pm
 
Forum: Cell Biology
Topic: Animal cell nucleus shape changes
Replies: 7
Views: 10558

Animal cell nucleus shape changes

... and/or inactive. Mitosis is a little peculiar case, since during it the nuclear membrane briefly disappears and is re-assmbled for both of the daughter ... to their correct destinations. And in my opinion, for most cells cell division is the only stage when the nucleus can be said to be "amorphous", ...

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by biohazard
Mon Nov 12, 2012 2:04 pm
 
Forum: Cell Biology
Topic: Animal cell nucleus shape changes
Replies: 7
Views: 10558

Is this information correct? Regarding Mitosis and Meiosis

... of meiosis and mitosis DNA replication occurs. In both processes the nuclear membrane breaks down as the DNA organised into what is known as chromosomes. ... cell. In mitosis one duplication of chromosomes occur and one nuclear division. In meiosis one duplication occurs but with two nuclear division. ...

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by BrandonScherrer
Mon Jul 30, 2012 1:54 pm
 
Forum: Cell Biology
Topic: Is this information correct? Regarding Mitosis and Meiosis
Replies: 0
Views: 4449
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