A single enzyme that can generate all four nucleoside triphosphates, the building blocks of ribonucleic acid (RNA), has been ...

By resurrecting a 3.2-billion-year-old enzyme and studying it inside living microbes, researchers at the University of ...

Nitrogen, upon which all life on Earth depends, may hold the key for explaining how early life on the planet evolved and how it could evolve on other planets.

When you’re one of the 70 million Americans whose digestion is off, it’s understandable to want to do what you can to turn things around quickly. Social media is packed with posts from people who ...

A single enzyme that can generate all four nucleotide triphosphates, the building blocks of ribonucleic acid (RNA), was ...

Scientists discovered that alcohol activates a sugar-producing pathway in the body, creating fructose that may reinforce addictive drinking. The enzyme responsible, KHK, appears to drive both alcohol ...

Researchers use synthetic biology to reverse-engineer modern nitrogenases and rebuild their possible ancestors, in an effort to better understand the origins of life on Earth and beyond.

Gifu University scientists have uncovered how a brain-specific enzyme reshapes protein-linked sugar chains to facilitate the formation of complex glycans essential for normal brain function. These ...

Here you can find CCEA past papers for GCSE Physics (Single Science). Use the links below to download question papers and mark schemes (which contain the answers). If you’re unsure whether you need ...