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Telomere

Either (free) end of a eukaryotic chromosome; telomeres act as caps to keep the sticky ends of chromosomes from randomly clumping together.


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Cell regulation/death

... spread faster and invade other organs while cancer cells do, since even if cancer cells can divide forever, most normal cells also have enough telomere length to divide quite a lot. So if I am correct here, programmed cell death keeps the normal cells from growing out of control, so then not ...

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by Mutt
Thu Nov 28, 2013 4:38 pm
 
Forum: Cell Biology
Topic: Cell regulation/death
Replies: 2
Views: 918

Telomere and DNA replication

... of a particular cell, both daughter cells will contain DNA with one parent strand and one daughter strand 5'_________3'(parent strand - complete telomere) 3'_________5'(daughter stand) The daughter stand is shorter owing to lost telomeres. I have discoerved, from private research, that telomere ...

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by jsmith613
Sun Oct 06, 2013 11:10 pm
 
Forum: Genetics
Topic: Telomere and DNA replication
Replies: 0
Views: 820

telomer

... have protein and RNA component. RNA component acts as primes to the strand. but it gets shorter as the replication cycle. as cells age, the telomeres get shorter! shortest telomere or lack of it, signals apoptosis. Cancer cells avoids apoptosis, by synthesis of more and more telomeres which ...

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by balamurugan3
Sat Aug 10, 2013 3:52 am
 
Forum: Cell Biology
Topic: telomer
Replies: 2
Views: 761

Bio Research Paper Writing

... (DNA-Damage-Response np). One mechanism that may explain how immune cells enter cell senesence is due to the effect of chronic viral infections on telomere function. Normally, telomerase isn’t active in most cells (which is an evolutionary advantage against cancer) and the shortening of the telomeres ...

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by NathanielZhu
Thu Apr 04, 2013 2:25 am
 
Forum: General Discussion
Topic: Bio Research Paper Writing
Replies: 1
Views: 7989

Why do cells age?

Ooh, I can add to what plasmodesmata11 said about telomeres. Telomeres are repeating (and I'm pretty sure, noncoding) sequences of DNA at the tips of chromosomes. As the cell repeatedly replicates itself, bits of the ends of the chromosome don't copy, ...

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by animus
Sat May 19, 2012 11:13 pm
 
Forum: Cell Biology
Topic: Why do cells age?
Replies: 22
Views: 11260
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