Scientists still needed to figure out this molecule's structure to be sure ... biochemist Erwin Chargaff found that the arrangement of nitrogen bases in DNA varied widely, but the amount of ...

Each of these things — along with every other organism on Earth — contains the molecular instructions ... all DNA is composed of the same nitrogen-based molecules. So how does DNA differ ...

A nitrogen molecule is made up of two nitrogen atoms joined together. Nitrogen atoms can form three covalent bonds, so a triple bond forms between them. The structure of nitrogen is N≡N ...

Researchers have uncovered a way to manipulate DNA at the atomic level using electric field gradients to control nitrogen ...

The function of many biologically active molecules requires the presence of carbon-nitrogen ... transforms a molecule by introducing new functional groups into its structure.

This image depicts the chemical structure of cytosine. It shows a hexagonal ring with nitrogen atoms at positions 1 and 3, and a primary amine group attached to carbon 4. The two remaining positions ...