has_specified_input has_specified_output nucleic acid sample from organism organism cultured cell population extraction nucleic acid extraction OBI branch derived Phenol / chlorophorm extraction disolvation of protein content folllowed by ethanol precipitation of the nucleic acid fraction over night in the fridge followed by centrifugation to obtain a nucleic acid pellet. PlanAndPlannedProcess Branch a material separation to recover the nucleic acid fraction of an input material nucleic acid extraction requested by Helen Parkinson for MO. Could be defined class pending final vetting