The trunk of each 'Christmas tree' (a transcription unit) represents a DNA molecule; the tree branches (granular strings attached to the DNA) are RNA molecules that have been transcribed from the DNA.

In support of this hypothesis they publish electron micrographs of a number of “giant” spherical and polymorphic particles of influenza virus. They claim that these have constrictions and ...

This is the first time researchers have found molecular fractal in citrate ... proteins in different types of cyanobacteria ...

Until now. Two laboratories recently used cryo-electron microscopy to directly image atoms in a protein molecule with a resolution of about 1.2 x 10-7 millimeters or 1.2 ångströms. The previous ...

Just about everyone knows that water is H2O, meaning two hydrogen atoms and one oxygen atom. What might surprise people is ...