Colony Picking

Petri dish

A petri dish of colonies, well separated enough that individual ones can be picked.

Liquid culture

Two culture tubes in a rack, one labelled Control and one labelled Bacterial culture, the second visibly cloudy against the clear first.

Picking colonies

Step by step: Colony Picking tutorial  ·  bench cheatsheet

Then leave it overnight

A crescent moon in a night sky: the cultures shake at 37 degrees and nothing happens until tomorrow.