Chromatin: Difference between revisions

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A complex of [[DNA|DNA]], [[Histones|histones]] and [[Nonhistone chromosomal proteins|nonhistone chromosomal proteins]] which make up the&nbsp;[[Chromosomes|chromosomes]] found in [[Eukaryote|eukaryotic]] [[Nucleus|nuclei]]<ref>Alberts, B. et al., 2007. Molecular Biology of the Cell. 5th ed. s.l.:Garland Science. p.G:7</ref>. 145&nbsp;[[Base pairs|bp]] of DNA is wound into a left-handed superhelix&nbsp;<ref>Berg, Jeremy M., et al. 2011. Biochemistry. 7th Edition. Palgrave MacMillan. p.976</ref> around 8 [[Histones|histones]] with up to 80 bp linking to the next "bead on a string". Each of these repeating units is a [[Nucleosome|nucleosome]].<br>  
<p>A complex of <a href="DNA">DNA</a>, <a href="Histones">histones</a> and <a href="Nonhistone chromosomal proteins">nonhistone chromosomal proteins</a> which make up the&#160;<a href="Chromosomes">chromosomes</a> found in <a href="Eukaryote">eukaryotic</a> <a href="Nucleus">nuclei</a><span class="fck_mw_ref" _fck_mw_customtag="true" _fck_mw_tagname="ref">Alberts, B. et al., 2007. Molecular Biology of the Cell. 5th ed. s.l.:Garland Science. p.G:7</span>. 145&#160;<a href="Base pairs">bp</a> of DNA is wound into a left-handed superhelix&#160;<span class="fck_mw_ref" _fck_mw_customtag="true" _fck_mw_tagname="ref">Berg, Jeremy M., et al. 2011. Biochemistry. 7th Edition. Palgrave MacMillan. p.976</span> around 8 <a href="Histones">histones</a> with up to 80 bp linking to the next "bead on a string". Each of these repeating units is a <a href="Nucleosome">nucleosome</a>.<br />  
 
</p><p>Chromatin is formed to strengthen the DNA and decrease it's volume in the <a href="Cell">cell</a>, thus preventing damage.  
Chromatin is formed to strengthen the DNA and decrease it's volume in the [[Cell|cell]], thus preventing damage.  
</p>
 
<h3> References  </h3>
=== References  ===
<p><span class="fck_mw_references" _fck_mw_customtag="true" _fck_mw_tagname="references" />
 
</p>
<references />

Revision as of 12:46, 20 October 2013

A complex of <a href="DNA">DNA</a>, <a href="Histones">histones</a> and <a href="Nonhistone chromosomal proteins">nonhistone chromosomal proteins</a> which make up the <a href="Chromosomes">chromosomes</a> found in <a href="Eukaryote">eukaryotic</a> <a href="Nucleus">nuclei</a>Alberts, B. et al., 2007. Molecular Biology of the Cell. 5th ed. s.l.:Garland Science. p.G:7. 145 <a href="Base pairs">bp</a> of DNA is wound into a left-handed superhelix Berg, Jeremy M., et al. 2011. Biochemistry. 7th Edition. Palgrave MacMillan. p.976 around 8 <a href="Histones">histones</a> with up to 80 bp linking to the next "bead on a string". Each of these repeating units is a <a href="Nucleosome">nucleosome</a>.

Chromatin is formed to strengthen the DNA and decrease it's volume in the <a href="Cell">cell</a>, thus preventing damage.

References

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