Chemical insight into biological function is the holy grail of structural biology. Small molecules are central players as building blocks, effectors and probes of macromolecular structure and ...

Each of these things — along with every other organism on Earth — contains the molecular instructions ... polynucleotide by way of special chemical bonds called hydrogen bonds.

The alkanes are a homologous series with a structure based on a carbon chain - each carbon atom forms four covalent bonds The intermolecular ... close polymerA large molecule formed from many ...

Here, an 8c-2e bond is found inside every empty Na8 cube of the Na2He structure. For clarity, only two such bonds are shown.

The speed of a chemical ... bonds, either sharing or gaining/losing electrons. Chemical formulae The chemical formula for a substance shows how many atoms of each element are present in a molecule ...

But molecules are "graph structures," composed of atoms and bonds with ... the molecular structure, a textual description of the molecule, and a step-by-step synthesis plan that provides the details ...

a macrocyclic molecule with a cup-like structure designed to capture negatively charged ions (anions). Its rigid yet adaptable cavity contains four NH groups that form hydrogen bonds with incoming ...

The chemical structure of uracil, showing its single-ring pyrimidine structure. Uracil forms hydrogen bonds with adenine in RNA, contributing to the molecule's structure and function. (Image: Public ...