The Polycomb group of epigenetic enzymes represses expression of developmentally regulated genes in many eukaryotes. This group includes the Polycomb repressive complex 1 (PRC1), which ubiquitylates ...
The modules provided on this site address challenging English structures and processes. Click on the title of a module that seems relevant to your educational concerns. Most of the modules contain the ...
This book is an introduction to the history and structure of the English lexicon using linguistic concepts. Or, it is an introduction to linguistics through the medium of the English lexicon. Or, it ...
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