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.
When scientists isolated the kinetoplast using density gradients and centrifugation, collected the DNA content on grids, and studied it under the electron microscope, they discovered that the kDNA ...
The scanning electron microscope scatters electrons across the surface of a specimen. It can magnify in incredible detail. This is a leaf surface under a scanning electron microscope. Both types ...
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