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    Bacterial colonies on agar plate. — Stock Photo
    Bacterial colonies on agar plate.
    Urine sample container on toilet in bathroom, studio shot. — Stock Photo
    Urine sample container on toilet in bathroom, studio shot.
    Close-up of scientist hand pouring reagent into flask for chemical research. — Stock Photo
    Close-up of scientist hand pouring reagent into flask for chemical research.
    Close-up of male scientist pipetting into test tubes. — Stock Photo
    Close-up of male scientist pipetting into test tubes.
    Water treatment plant ultraviolet ionization treatment room — Stock Photo
    Water treatment plant ultraviolet ionization treatment room
    Scientist hand holding micro-centrifuge tube containing biological sample. — Stock Photo
    Scientist hand holding micro-centrifuge tube containing biological sample.
    Male teacher helping girl student at microscope in laboratory classroom — Stock Photo
    Male teacher helping girl student at microscope in laboratory classroom
    Teenage female student using machinery in laboratory at college — Stock Photo
    Teenage female student using machinery in laboratory at college
    Close-up of pipetting sample into plastic micro-centrifuge tube. — Stock Photo
    Close-up of pipetting sample into plastic micro-centrifuge tube.
    Female scientists in face masks and rubber gloves examining specimens — Stock Photo
    Female scientists in face masks and rubber gloves examining specimens
    Female scientist working in laboratory. — Stock Photo
    Female scientist working in laboratory.
    Female scientist holding tray for stem cell research. — Stock Photo
    Female scientist holding tray for stem cell research.
    University student doing experiment on microscope in laboratory at college — Stock Photo
    University student doing experiment on microscope in laboratory at college
    Hands of scientist researching sample on microscope slide under light microscope. — Stock Photo
    Hands of scientist researching sample on microscope slide under light microscope.
    Attentive university student doing a chemical experiment in laboratory — Stock Photo
    Attentive university student doing a chemical experiment in laboratory
    Blood samples in a multi well plate during a clinical trial. — Stock Photo
    Blood samples in a multi well plate during a clinical trial.
    Sample tubes in container with ice in laboratory. — Stock Photo
    Sample tubes in container with ice in laboratory.
    Pipetting samples machinery for gel electrophoresis. — Stock Photo
    Pipetting samples machinery for gel electrophoresis.
    College students experimenting on microscope in laboratory at university — Stock Photo
    College students experimenting on microscope in laboratory at university
    College students using microscope while practicing experiment in lab — Stock Photo
    College students using microscope while practicing experiment in lab
    Scientist pipetting sample into vial in laboratory. — Stock Photo
    Scientist pipetting sample into vial in laboratory.
    Microbiologist working in laboratory with bacteria growth in petri dish. — Stock Photo
    Microbiologist working in laboratory with bacteria growth in petri dish.
    Person hand pouring beads into petri dish. — Stock Photo
    Person hand pouring beads into petri dish.
    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.
    Female scientist using pipette tray at laboratory fume hood — Stock Photo
    Female scientist using pipette tray at laboratory fume hood
    Portrait of teenage girl with arms crossed standing by desk in lab — Stock Photo
    Portrait of teenage girl with arms crossed standing by desk in lab
    Close-up of female scientist experimenting in laboratory — Stock Photo
    Close-up of female scientist experimenting in laboratory
    Liquid sample in quartz cuvette container and beaker. — Stock Photo
    Liquid sample in quartz cuvette container and beaker.
    Female scientist opening cabinet in research laboratory. — Stock Photo
    Female scientist opening cabinet in research laboratory.
    Laboratory technician with micro pipette sampling into test tube. — Stock Photo
    Laboratory technician with micro pipette sampling into test tube.
    Overhead view of pipettes in Pipetting plate in laboratory — Stock Photo
    Overhead view of pipettes in Pipetting plate in laboratory
    Petri dishes with blood agar on blue background. — Stock Photo
    Petri dishes with blood agar on blue background.
    Scientist viewing bacteria cultures — Stock Photo
    Scientist viewing bacteria cultures
    Schoolboy using glassware and equipment in school laboratory. — Stock Photo
    Schoolboy using glassware and equipment in school laboratory.
    Female scientist in laboratory looking at glass flask with dissolved samples of soil. — Stock Photo
    Female scientist in laboratory looking at glass flask with dissolved samples of soil.
    Microorganisms culture growing in petri dish, full frame. — Stock Photo
    Microorganisms culture growing in petri dish, full frame.
    Attentive university student doing a experiment in laboratory — Stock Photo
    Attentive university student doing a experiment in laboratory
    Female biologist pouring water into test tube with dissolved samples of soil in laboratory. — Stock Photo
    Female biologist pouring water into test tube with dissolved samples of soil in laboratory.
    Female scientist researching sample in petri dish under light microscope. — Stock Photo
    Female scientist researching sample in petri dish under light microscope.
    Stacked Petri dishes with blood agar on plain background. — Stock Photo
    Stacked Petri dishes with blood agar on plain background.
    Scientist working in laboratory and placing microscope slide on stage. — Stock Photo
    Scientist working in laboratory and placing microscope slide on stage.
    Close up of scientific weight scale on table in lab — Stock Photo
    Close up of scientific weight scale on table in lab
    Microscope on table in laboratory — Stock Photo
    Microscope on table in laboratory
    Green seedlings in test tubes, close-up. — Stock Photo
    Green seedlings in test tubes, close-up.
    Microbiologist working with petri dish and test tubes in laboratory. — Stock Photo
    Microbiologist working with petri dish and test tubes in laboratory.
    Students practicing experiment in lab — Stock Photo
    Students practicing experiment in lab
    Mid section of scientists doing experiment in lab — Stock Photo
    Mid section of scientists doing experiment in lab
    Blood in human urine in sample pots, studio shot. — Stock Photo
    Blood in human urine in sample pots, studio shot.
    Scientist pipetting sample into growth medium in multiwell plate. — Stock Photo
    Scientist pipetting sample into growth medium in multiwell plate.
    Scientist using laptop at desk in science laboratory — Stock Photo
    Scientist using laptop at desk in science laboratory
    Hands of female microbiologist inoculating nutritive agar. — Stock Photo
    Hands of female microbiologist inoculating nutritive agar.
    Petri dish with blood agar on blue background. — Stock Photo
    Petri dish with blood agar on blue background.
    Scientist pipetting solution into the glass test tube at lab — Stock Photo
    Scientist pipetting solution into the glass test tube at lab
    Attentive university student doing a chemical experiment in laboratory — Stock Photo
    Attentive university student doing a chemical experiment in laboratory
    Microbiologist working in laboratory with bacteria growth in petri dish. — Stock Photo
    Microbiologist working in laboratory with bacteria growth in petri dish.
    Close-up of pipetting sample into multiwell plate for analysis in laboratory. — Stock Photo
    Close-up of pipetting sample into multiwell plate for analysis in laboratory.
    Male scientist placing chemical tube glass bottle on a machine in laboratory — Stock Photo
    Male scientist placing chemical tube glass bottle on a machine in laboratory
    Science teacher assembling molecule model in laboratory classroom — Stock Photo
    Science teacher assembling molecule model in laboratory classroom
    Close-up of female scientist pipetting with multichannel pipette. — Stock Photo
    Close-up of female scientist pipetting with multichannel pipette.
    Overhead view of pipette in Pipetting plate in laboratory — Stock Photo
    Overhead view of pipette in Pipetting plate in laboratory