See how cells compare along a relative scale axis with other molecules, tissues, and biological structures (blue arrow at bottom). Note that a micrometer (μm) is also known as a micron.

Although each organism's DNA is unique, all DNA is composed of the same nitrogen-based molecules ... Beyond the ladder-like structure described above, another key characteristic of double-stranded ...

Why does protein structure matter? Proteins are large molecules consisting of thousands ... is crucial to a protein being able to carry out its biological function. This same 3D arrangement ...

This is because proteins form attachments and interact with many other molecules and structures inside organisms ... up hair and nails Enzymes Catalyse biological reactions ATPase: catalyses ...

Structural and functional roles in biological molecules, such as DNA and proteins ... van der Waals forces in creating useful adhesive products. Graphite: The layered structure of graphite is held ...

Imaging the molecules in the spindle of a dividing ... researchers to use their system to image a greater variety of biological structures. Reconstruction of a plant cell (xylem) with its ...

Imaging the molecules in a dividing cell's "spindle," a protein structure that extends from one side of the ... A project at the Marine Biological Laboratory (MBL) affiliated with the University of ...