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Histones

Histones

proteins that dna tightly coils around to form chromosomes.


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Genomic Imprinting In Humans (and classical genetics)

Methylation of histones. The allele is wrapped around the histones, and when their tails are methylated, the histones stay closely condense and do not let any transcription factors bind to their elements for transcription. So you ...

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by kolean
Mon Jul 20, 2009 9:12 pm
 
Forum: Genetics
Topic: Genomic Imprinting In Humans (and classical genetics)
Replies: 7
Views: 342

Food and DNA

... namely actin, myosin and such, which are not directly associated with DNA. DNA itself typically contains certain structural proteins such as histones and some enzymes, but when eaten these do not affect one's health whatsoever. The health effects of eating protein (or other nutrients like ...

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by biohazard
Wed Jun 24, 2009 1:12 pm
 
Forum: Genetics
Topic: Food and DNA
Replies: 1
Views: 152

Re:

... all the time as new science becomes available. And just today I found out that the theory is missing something important in the design features of histones, so here we go again with a needing a whole new section just to keep up with science alone! It's always like this which is why for so long ...

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by GaryGaulin
Sat Apr 11, 2009 5:56 pm
 
Forum: General Discussion
Topic: Intelligent Design?
Replies: 27
Views: 2318

Chemical composition?

... Nucleus: nucleus contains the nuclear envelope, as well as the nucleic acids inside it. There are also proteins present, some (such as histones) bound to the DNA, some free (e.g. enzymes). Cell membrane: this is composed of mostly phospholipids, to which many proteins and glycoproteins ...

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by biohazard
Sun Feb 15, 2009 12:18 pm
 
Forum: Cell Biology
Topic: Chemical composition?
Replies: 2
Views: 801

Re: Difference between chromatid and chromatin?

... have cell nucleus, containing nuclear DNA. This DNA is always in form of chromosomes. Chromosomes are made of DNA and associated proteins (e.g. histones, scaffolding proteins, telomere binding proteins). In each of our cells nuclear DNA is fragmented to long pieces of double stranded (double ...

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by kk
Sat Jan 17, 2009 1:55 pm
 
Forum: Cell Biology
Topic: Difference between chromatid and chromatin?
Replies: 3
Views: 3181
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