Many RNA-binding proteins have a modular structure and are composed of multiple repeats of a few small domains. By arranging the domains in various ways, these proteins can satisfy the diverse ...

The RNA world hypothesis proposes that early life was based on RNA, which subsequently devolved the storage of information to more stable DNA, and catalytic functions to more versatile proteins.

Your liver handles metabolic, detoxification, and immune functions, including processing nutrients, making bile for fat digestion, producing blood-clotting proteins, and removing toxins like ammonia ...

Every tree tells a story, but some are beyond eloquent, holding memories, embodying belief, marking sorrow. We hold trees in our imagination, where they grow in strange, wonderful ways in forests ...

Learn everyday expressions and idioms in 'The English We Speak'. test yourself with 'Phrase Frenzy', and learn more about English idioms in 'We Say - You Say' and 'This is Where'.