Epigenetic changes regulate gene expression, but what regulates epigenetics?

All the cells in an organism have the exact same genetic sequence. What differs across cell types is their epigenetics—meticulously placed chemical tags that influence which genes are expressed in ...
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Finding number patterns in arithmetic sequences

An example of a linear sequence. A list of numbers or diagrams that are in a particular order is called a sequence close sequenceA sequence is a set of numbers that follow a certain rule. For example, ...
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Sequence Analysis and Expression Patterns Divide the Maize knotted1-Like Homeobox Genes into Two Classes

The Plant Cell, Vol. 6, No. 12 (Dec., 1994), pp. 1877-1887 (11 pages) The homeobox of the knotted1 (kn1) gene was used to isolate 12 related sequences in maize. The homeodomains encoded by the ...
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Number sequences

A pattern or a sequence is a set of numbers that are connected in some way. All sequences have a rule. For example, sometimes the numbers might count on by 5 each time, other times they might be ...
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An antibody against a sequence of human topoisomerase II gives different immunofluorescence patterns in quiescent and proliferating nuclei of Pisum sativum L

Immunofluorescence with an antibody against a C-terminal sequence of human topoisomerase II has been performed on nuclei released from different tissues of Pisum sativum L. All the nuclei labelled and ...