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    Close-up of scientist holding rack of microcentrifuge tubes with red liquid. — Stock Photo
    Close-up of scientist holding rack of microcentrifuge tubes with red liquid.
    Detail of chemical glass apparatus, full frame. — Stock Photo
    Detail of chemical glass apparatus, full frame.
    Scientist pouring liquid in steaming flask — Stock Photo
    Scientist pouring liquid in steaming flask
    Detail of chemical glass apparatus, full frame. — Stock Photo
    Detail of chemical glass apparatus, full frame.
    Stack of Petri dishes with cultured agar on plain background. — Stock Photo
    Stack of Petri dishes with cultured agar on plain background.
    Petri dish with blood agar on blue background. — Stock Photo
    Petri dish with blood agar on blue background.
    Petri dish with blood agar on blue background. — Stock Photo
    Petri dish with blood agar on blue background.
    Samples in tubes stored in container with ice. — Stock Photo
    Samples in tubes stored in container with ice.
    Side view of scientist providing research and operating with tablet on wall of laboratory. — Stock Photo
    Side view of scientist providing research and operating with tablet on wall of laboratory.
    Crop hands in gloves holding wet specimen of unborn child — Stock Photo
    Crop hands in gloves holding wet specimen of unborn child
    Burning Bunsen burner on black background. — Stock Photo
    Burning Bunsen burner on black background.
    Plant seedling in soil in Petri dish and tweezers in laboratory. — Stock Photo
    Plant seedling in soil in Petri dish and tweezers in laboratory.
    Microbiological culture growing in Petri dish, close-up. — Stock Photo
    Microbiological culture growing in Petri dish, close-up.
    Stacked Petri dishes with blood agar on plain background. — Stock Photo
    Stacked Petri dishes with blood agar on plain background.
    Pattern of cultures growing in Petri dishes on plain background. — Stock Photo
    Pattern of cultures growing in Petri dishes on plain background.
    Female technician storing Petri dishes in incubator fridge. — Stock Photo
    Female technician storing Petri dishes in incubator fridge.
    Close-up of plant seedling in soil in Petri dish in laboratory. — Stock Photo
    Close-up of plant seedling in soil in Petri dish in laboratory.
    Stacked agar plates with microbiological cultures on plain background. — Stock Photo
    Stacked agar plates with microbiological cultures on plain background.
    Stacked Petri dishes with blood agar on plain background. — Stock Photo
    Stacked Petri dishes with blood agar on plain background.
    Rear view of scientist operating with display on wall — Stock Photo
    Rear view of scientist operating with display on wall
    Scientist seen through window in door providing revision in lab — Stock Photo
    Scientist seen through window in door providing revision in lab
    Scientist pouring reagents with pipette to flasks while experiment — Stock Photo
    Scientist pouring reagents with pipette to flasks while experiment
    Stacked Petri dishes with blood agar on plain background. — Stock Photo
    Stacked Petri dishes with blood agar on plain background.
    Empty petri dish on white background, top view. — Stock Photo
    Empty petri dish on white background, top view.
    Close-up of scientist hand scanning tube with biological sample. — Stock Photo
    Close-up of scientist hand scanning tube with biological sample.
    Microbiological culture growing in Petri dish. — Stock Photo
    Microbiological culture growing in Petri dish.
    Scientist working with equipment at laboratory — Stock Photo
    Scientist working with equipment at laboratory
    Petri dishes with blood agar on blue background. — Stock Photo
    Petri dishes with blood agar on blue background.
    Empty sample bottles with metal lids in a row on table. — Stock Photo
    Empty sample bottles with metal lids in a row on table.
    Pipette Inoculating cultivated agar plate. — Stock Photo
    Pipette Inoculating cultivated agar plate.
    Scientist pipetting liquid into Eppendorf tubes. — Stock Photo
    Scientist pipetting liquid into Eppendorf tubes.
    Stacked agar plates with microbiological cultures on plain background. — Stock Photo
    Stacked agar plates with microbiological cultures on plain background.
    Stacked agar plates with microbiological cultures on plain background. — Stock Photo
    Stacked agar plates with microbiological cultures on plain background.
    Scientist holding object with tweezers — Stock Photo
    Scientist holding object with tweezers
    Side view of scientist working in lab — Stock Photo
    Side view of scientist working in lab
    Pipette placing sample into test tube during experiment in laboratory. — Stock Photo
    Pipette placing sample into test tube during experiment in laboratory.
    Pipette adding sample to petri dish with DNA autoradiogram in background. — Stock Photo
    Pipette adding sample to petri dish with DNA autoradiogram in background.
    Scientist posing in protective costume in laboratory — Stock Photo
    Scientist posing in protective costume in laboratory
    Scientist in protective wear pouring liquid in steaming flask — Stock Photo
    Scientist in protective wear pouring liquid in steaming flask
    Pattern of cultures growing in Petri dishes on plain background. — Stock Photo
    Pattern of cultures growing in Petri dishes on plain background.
    Overhead view of pipettes in Pipetting plate in laboratory — Stock Photo
    Overhead view of pipettes in Pipetting plate in laboratory
    Stacks of Petri dishes with cultured agar on plain background. — Stock Photo
    Stacks of Petri dishes with cultured agar on plain background.
    Green seedling in glass Petri dish on table. — Stock Photo
    Green seedling in glass Petri dish on table.
    Close-up of scientist hand holding Petri dish in pathology laboratory. — Stock Photo
    Close-up of scientist hand holding Petri dish in pathology laboratory.
    Test tubes with red liquid in rack. — Stock Photo
    Test tubes with red liquid in rack.
    Close-up of scientist holding blood testing microtubes. — Stock Photo
    Close-up of scientist holding blood testing microtubes.
    Stacked Petri dishes with blood agar on plain background. — Stock Photo
    Stacked Petri dishes with blood agar on plain background.
    Close-up of microtubes with red liquid. — Stock Photo
    Close-up of microtubes with red liquid.
    Satellite image of spacesuit on Earth orbit. — Stock Photo
    Satellite image of spacesuit on Earth orbit.
    Cropped view of scientist hands pipetting sample for biological research. — Stock Photo
    Cropped view of scientist hands pipetting sample for biological research.
    Close-up of electronic pipette in gloved hands. — Stock Photo
    Close-up of electronic pipette in gloved hands.
    Close-up of oscilloscope screen and wires. — Stock Photo
    Close-up of oscilloscope screen and wires.
    Pipette adding sample to petri dish during experiment in laboratory. — Stock Photo
    Pipette adding sample to petri dish during experiment in laboratory.
    Female laboratory worker filling vials with pipette, close-up. — Stock Photo
    Female laboratory worker filling vials with pipette, close-up.
    Pipette adding sample to petri dish with DNA autoradiogram in background. — Stock Photo
    Pipette adding sample to petri dish with DNA autoradiogram in background.
    Pipette placing sample into test tube during experiment in laboratory. — Stock Photo
    Pipette placing sample into test tube during experiment in laboratory.
    Laboratory glassware with red liquid. — Stock Photo
    Laboratory glassware with red liquid.
    Biologist working with microscope with colleague in background — Stock Photo
    Biologist working with microscope with colleague in background
    Green seedlings in test tubes, close-up. — Stock Photo
    Green seedlings in test tubes, close-up.
    Laboratory glassware with transparent liquid, close-up. — Stock Photo
    Laboratory glassware with transparent liquid, close-up.