A structure is a 3D shape made from different materials and parts. Structures are designed and made to be strong, stable and sturdy. This means that they will not break or fall over easily.

Beyond the ladder-like structure described above, another key characteristic of double-stranded DNA is its unique three-dimensional shape. The first photographic evidence of this shape was ...

What have we learned about RNA structure and function so far? Although RNA is a single-stranded molecule, researchers soon discovered that it can form double-stranded structures, which are ...