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 ...

Algebraic structures form the backbone of many modern mathematical theories, with module theory standing as a central discipline within abstract algebra. Modules, generalising the concept of vector ...

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 ...

ATK: Alliant Techsystems has delivered a technological first to NASA: a full-scale, crew module structure made of composite materials. The Composite Crew Module (CCM) is a unique capsule design that ...

Extended "discourse," such as class presentations or essays written as school assignments, has a particular structure arising from particular expectations and standards. Such structure, expectations, ...

The structure of a text is how it is organised and how its parts fit together. Writers structure their texts deliberately to have an effect on the reader. Exam questions ask you to comment on how ...