Chromatin: Difference between revisions

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<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>A complex of &lt;a href="DNA"&gt;DNA&lt;/a&gt;, &lt;a href="Histones"&gt;histones&lt;/a&gt; and &lt;a href="Nonhistone chromosomal proteins"&gt;nonhistone chromosomal proteins&lt;/a&gt; which make up the&#160;&lt;a href="Chromosomes"&gt;chromosomes&lt;/a&gt; found in &lt;a href="Eukaryote"&gt;eukaryotic&lt;/a&gt; &lt;a href="Nucleus"&gt;nuclei&lt;/a&gt;<span class="fck_mw_ref">Alberts, B. et al., 2007. Molecular Biology of the Cell. 5th ed. s.l.:Garland Science. p.G:7</span>. 145&#160;&lt;a href="Base pairs"&gt;bp&lt;/a&gt; of DNA is wound into a left-handed superhelix&#160;<span class="fck_mw_ref">Berg, Jeremy M., et al. 2011. Biochemistry. 7th Edition. Palgrave MacMillan. p.976</span> around 8 &lt;a href="Histones"&gt;histones&lt;/a&gt; with up to 80 bp linking to the next "bead on a string". Each of these repeating units is a &lt;a href="Nucleosome"&gt;nucleosome&lt;/a&gt;.<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.  
</p><p>Chromatin is formed to strengthen the DNA and decrease it's volume in the &lt;a href="Cell"&gt;cell&lt;/a&gt;, thus preventing damage.  
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<h3> References  </h3>
<h3> References  </h3>
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<p>&lt;span class="fck_mw_references" _fck_mw_customtag="true" _fck_mw_tagname="references" /&gt;
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Revision as of 12:48, 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

<span class="fck_mw_references" _fck_mw_customtag="true" _fck_mw_tagname="references" />