The enzyme RNA polymerase II transcribes genes into messenger RNA. This process is guided by modifications to the enzyme's "tail" called phosphorylation patterns.

Inside every cell, a finely tuned metabolic network determines when to build, recycle, or stop producing essential molecules.

The enzyme RNA polymerase II transcribes genes into messenger RNA. This process is guided by modifications to the enzyme's ...

When we get sick, with the flu, say, or pneumonia, there can be a period where the major symptoms of our illness have resolved but we still just don't feel great.