chromatin
 |
Credit: Felsenfeld and Groudine.
Nature, 2003 |
A complex of DNA and basic proteins
(such as histone) in eukaryotic cells
that is condensed into chromosomes in mitosis
and meiosis. There are two types. Heterochromatic
is densely-coiled chromatin that appears as nodules in or along chromosomes
and contains relatively few genes. Euchromatic is the less-coiled
and genetically active portion of chromatin that is largely composed of
genes. Related category
• BIOCHEMISTRY
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