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Kinetochores

Kinetochores

large multiprotein complexes that bind the centromeres of the chromosomes to the microtubules of the mitotic spindle during metaphase in the cell cycle.


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HELP! Questions on mitosis and meiosis

... Meiosis is complete -- daughter cells haploid. No replication takes place. 2. NO. 3. Yes. 4. Correct. 5. | [chromatid] 6. Yes. 7. Centromeres, kinetochores. 8. If there is some force holding homologous chromosomes together - when a pair of homologous chromosomes line up on the equator of the ...

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by Cat
Tue Jun 10, 2008 11:59 pm
 
Forum: Genetics
Topic: HELP! Questions on mitosis and meiosis
Replies: 9
Views: 3986

The Fiber Disease

... to active centromeres of animal chromosomes and therefore is believed to be a component of the specialized centromeric nucleosomes on which the kinetochores are assembled. Here we report that CENP-A, highly purified from HeLa cells, can indeed replace histone H3 in a nucleosome reconstitution ...

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by Nadas Moksha
Wed Dec 20, 2006 4:10 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 748655

no no no

... kinetochore proteins have homologues in higher eukaryotes, including humans, this molecular arrangement is likely to be replicated in more complex kinetochores that have multiple microtubule attachments. GEE!!..I REALLY NEED HELP...COULD ANYONE EXPLAIN ME THIS IN OTHER WORDS...

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by phoebe3p
Sat Oct 21, 2006 12:38 am
 
Forum: Cell Biology
Topic: this is the topic....i dont understand!
Replies: 4
Views: 639

thank you so much!!..ummm i got another question

... kinetochore proteins have homologues in higher eukaryotes, including humans, this molecular arrangement is likely to be replicated in more complex kinetochores that have multiple microtubule attachments. ----> this is chinesse to me!...could you explain it in other words..

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by phoebe3p
Sat Oct 21, 2006 12:33 am
 
Forum: Cell Biology
Topic: what is integrin????
Replies: 6
Views: 829

The Fiber Disease

... spindles in vitro in the absence of focal microtubule nucleation centers (centrosomes) or specialized microtubule-chromosome attachment sites (kinetochores). DNA on the beads assembles into chromatin that is sufficient to induce microtubule polymerization and organization, but the molecular ...

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by London
Fri Mar 31, 2006 11:58 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 748655
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