Scientists were able to identify chromosomes under the microscope as early as the 19th century. But what did it take for them to figure out how important chromosomes really are? Aa Aa Aa The ...

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 ...

Scanning Electron ... microscopy, can now be visualized in impressive detail using SEM. The intricate designs of nanomaterials, the novel structures of nanoparticles, and the complex arrangements of ...