When elements combine or join together new substances are formed. These substances are called compounds. This is shown in the diagram below There are millions of different compounds and all of ...

Organic chemistry is the study of the structure, properties, composition, reactions, and preparation of carbon-containing compounds. Most organic compounds contain carbon and hydrogen, but they may ...

Groups in the periodic table - AQA Elements in the same group of the periodic table show trends ... form coloured compounds and act as catalysts. Sample exam questions - atomic structure and ...

Collagen, the body's most abundant protein, has long been viewed as a predictable structural component of tissues. However, a ...

Practitioners work to design and synthesize compounds that can treat diseases, manage symptoms, and improve a patient's quality of life. They optimize the structure and properties of molecules to ...

Scientists have identified two non-retinoid compounds that may be able to treat ... to look for molecules that bind to and stabilize the structure of rhodopsin, to improve its folding and movement ...