70438561 - Close up of liquid in pipette. Embryonic stem cell research. Pipetting liquid into pots containing stem cell cultures used to repair or replace diseased tissues or organs. Cell cultures,embryonic stem cells,genome,dna, microbiology,stem cells,futuristic,p70438560 - Close up of liquid in pipette. Embryonic stem cell research. Pipetting liquid into pots containing stem cell cultures used to repair or replace diseased tissues or organs. Cell cultures,embryonic stem cells,genome,dna, microbiology,stem cells,futuristic,p
