Random works like random primer

Random works of my own to illustrate some articles or lectures I give for students or during science popularization events. They resemble random primers – sequences of nucleotides used to prime a reaction – as I hope pretty pictures would prime interest in science.

schematic diagram of a neuron
Note: DNA is very-very schematic inside the nucleus

X-chromosome inactivation

mRNA club for young scientists. The bulb is also an RNA hairpin loop