Just about everyone knows that water is H2O, meaning two hydrogen ... They can then view the area using a high-vacuum transmission electron microscope. It is very complex and requires highly ...
SEM stands for scanning electron microscope. The SEM is a microscope that uses electrons ... special preparations must be done to the sample. All water must be removed from the samples because 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 ...