Dictionary » D » Division

Division

Division

1. The act of dividing.

2. (Science: zoology) a rank that if treated as a division of a genus or subgenus is deemed to be of subgeneric rank for the purposes of nomenclature.

3. A taxon at the rank of division. The second highest taxonomic classification for the kingdoms Plantae (plants) and fungi, between kingdom level and class level.


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Cancer more than animals animals

Like hmans and animals, plants also have the set of similar machenism. The cell division of plant is also under regulation. Under the external environment stimulation, this procedure can also produce "tumor", such as crown gall been infected by agrobacterium.

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by CandyTon
Fri Feb 06, 2015 3:29 pm
 
Forum: Cell Biology
Topic: Cancer more than animals animals
Replies: 6
Views: 1956

Stem Cells and Cell division?

... types of the species including the trophoblast and the embryonic membranes. Development begins when the zygote undergoes several successive cell divisions, each resulting in a doubling of the cell number and a reduction in the cell size. At the 32- to 64-cell stage each cell is called a blastomere.2 ...

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by RZachary1
Wed Jan 14, 2015 5:51 am
 
Forum: Cell Biology
Topic: Stem Cells and Cell division?
Replies: 6
Views: 5527

Stem Cells and Cell division?

Cell division demands lot of resources in the form of energy. Therefore, it is easy to have dedicated cells for division and differentiation. Therefore, normal cells can continue doing their tissue function whereas adult stem ...

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by supersapien
Sun Sep 28, 2014 7:20 pm
 
Forum: Cell Biology
Topic: Stem Cells and Cell division?
Replies: 6
Views: 5527

Re: How did endosymbionts coordinate replication?

It keeps getting better. Mitochondria don't just divide, they fuse. http://www.nature.com/scitable/topicpage/mitochondrial-fusion-and-division-14264007

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by jonmoulton
Mon Sep 15, 2014 8:50 pm
 
Forum: Cell Biology
Topic: How did endosymbionts coordinate replication?
Replies: 14
Views: 9908

Re: Chromatin

... because instead of each centromere binding a single molecule of DNA you have two molecules bound at each centromere after replication. During cell division, the centromeres separate into two parts, each travelling with one molecule of DNA into a daughter cell. For a moment, before cytokinesis, ...

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by jonmoulton
Thu Sep 04, 2014 3:04 pm
 
Forum: Genetics
Topic: Chromatin
Replies: 2
Views: 4270
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