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Scientist holding sample
Scientist pipetting sample into tube for analytical testing in laboratory.
Scientist examining test tubes in a biological lab
Researcher using a light microscope for studying tube containing blood sample.
Female researcher studying DNA autoradiogram.
Biological samples in Petri dishes and microscope on laboratory table.
Close-up of DNA autoradiogram with flasks in background.
Genetic research tube containing DNA sample with DNA profile in background.
Female researcher pipetting liquid in science laboratory.
Biological samples in test tubes and Petri dishes on laboratory table.
Pipette adding sample to petri dish with DNA autoradiogram in background.
Close-up of pipetting sample for biological research.
Scientist pipetting samples into test tubes in laboratory.
Scientists holding multiwell plate with chemical solution for analytical testing in laboratory.
DNA test result on microcentrifuge tube with DNA sample in scientist hand.
Scientist hand holding micro-centrifuge tube containing biological sample.
Tubes for biological test in rack on blue background.
Scientist analyzing liquid
DNA autoradiogram in petri dish in laboratory, close-up.
Female biologist holding flask containing stem cells.
Scientist pipetting sample in microcentrifuge tube for chemical analysis.
Scientist holding DNA autoradiogram in hand.
Mature scientist using microscope for biological research.
Female researcher using light microscope for examining stem cells in culture jar.
Pipette adding sample to petri dish during experiment in laboratory.
Scientist working in biological laboratory
Technician pipetting biological samples in multiwell plate.
Close-up of petri dishes and dropping pipette for genetic research.
Female scientist examining DNA autoradiogram.
Petri dishes for DNA sequencing, close-up.
Female researcher pipetting liquid in laboratory.
Scientist testing samples in test tube.
Petri dishes with colorful liquids for microbiology research.
Multiwell plate with biological samples in scientist hand.
Group of laboratory test tubes with colored liquids.
Close-up of petri dish and dropping pipette for genetic research.
Female scientist making biological research.
Pipette placing sample into test tube during experiment in laboratory.
Close-up of scientist hand doing chemistry research in laboratory.
Scientist pipetting liquid into Eppendorf tubes.
Cropped view of scientist hands pipetting sample for biological research.
Female scientist pipetting liquid into Eppendorf tubes.
Close-up of petri dishes and pipette for genetic research.
Close-up of petri dishes and hand with pipette for genetic research.
Female scientist looking at DNA autoradiogram.
Close-up of pipetting colorful liquids into test tubes.
Female scientist doing experiment in laboratory.
Pipette adding a solution to a sample
Close-up of multipipette sampling liquid into tube rack in laboratory.
Technician holding cell samples in bioengineering laboratory.
Female researcher pipetting liquid into test tube.
Female natural scientist working in biological laboratory
Female scientist holding microscope slide with blood sample.
Female cell biologist placing flask containing stem cells cultivated in red growth medium under microscope.
Pipette and petri dishes for medical testing.
Pipetting samples into microcentrifuge tubes
Technician checking stem cell cultures in bioengineering laboratory.
Group of laboratory test tubes.
Pipette and petri dishes for blood testing.
Close-up of person hand holding petri dish with liquid for biological research.