The crystal structure of the PRC1 ubiquitylation module bound to its nucleosome core substrate is determined, revealing how a histone-modifying enzyme achieves substrate specificity by recognizing ...

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 ...

If you are a first or second year undergraduate student and would like to develop your English language and communications skills, the ELTC offers modules for credit and not-for-credit.

This module focuses on two aspects of the development of a basic essay: the introductory and concluding paragraphs. It describes academic conventions and expectations in writing introductions and ...