Taralist loves 19 clipart.

Unconformity
microscope
Jupiter
Genetic Code BW
Animal Cell
Glucose
Petri dish, open
Petri dish
Pipette with Medium
Lungs without Coloring
Microscope without Coloring
DNA
Germ 3c
Coverslipped Slides
mithochondrion
single-neuron
DNA helix
Microscope