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    Female scientist working in a laboratory. — Stock Photo
    Female scientist working in a laboratory.
    Illustration of accentuated red parathyroid glands behind thyroid gland and molecules of parathyroid hormone. — Stock Photo
    Illustration of accentuated red parathyroid glands behind thyroid gland and molecules of parathyroid hormone.
    Scientist in costume posing in laboratory — Stock Photo
    Scientist in costume posing in laboratory
    Female laboratory assistant standing with arms folded. — Stock Photo
    Female laboratory assistant standing with arms folded.
    Close-up of rack of cell cultures in tubes in laboratory. — Stock Photo
    Close-up of rack of cell cultures in tubes in laboratory.
    Close-up of hands of scientist pipetting sample from culture in Petri dish. — Stock Photo
    Close-up of hands of scientist pipetting sample from culture in Petri dish.
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    Brain neural network, computer illustration. — Stock Photo
    Brain neural network, computer illustration.
    Molecular model of parathyroid hormone structure. — Stock Photo
    Molecular model of parathyroid hormone structure.
    Molecular model of follicle-stimulating hormone. — Stock Photo
    Molecular model of follicle-stimulating hormone.
    Top view of microbes growing on agar plate on plain background. — Stock Photo
    Top view of microbes growing on agar plate on plain background.
    Pipette adding sample to petri dish with DNA autoradiogram in background. — Stock Photo
    Pipette adding sample to petri dish with DNA autoradiogram in background.
    Female lab assistant using pipette, close-up. — Stock Photo
    Female lab assistant using pipette, close-up.
    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.
    Ribonucleic acid (RNA) chain, 3d illustration. — Stock Photo
    Ribonucleic acid (RNA) chain, 3d illustration.
    Crop concentrated female scientist in white robe and gloves conducting chemical experiment with substance and syringe while working in modern laboratory — Stock Photo
    Crop concentrated female scientist in white robe and gloves conducting chemical experiment with substance and syringe while working in modern laboratory
    Pattern of cultures growing in Petri dishes on plain background. — Stock Photo
    Pattern of cultures growing in Petri dishes on plain background.
    Scanning electron microscopy of DNA molecules and red and white blood cells. — Stock Photo
    Scanning electron microscopy of DNA molecules and red and white blood cells.
    Calcitonin peptide bound to receptor, illustration. — Stock Photo
    Calcitonin peptide bound to receptor, illustration.
    Agronomy technician pouring water in soil samples. — Stock Photo
    Agronomy technician pouring water in soil samples.
    Researcher extracting blood from a vial — Stock Photo
    Researcher extracting blood from a vial
    Opioid and cannabinoid receptors in brain cell membrane, illustration. — Stock Photo
    Opioid and cannabinoid receptors in brain cell membrane, illustration.
    Girl student examining DNA model in classroom — Stock Photo
    Girl student examining DNA model in classroom
    Close-up view of ampoule on genetic research autoradiogram. — Stock Photo
    Close-up view of ampoule on genetic research autoradiogram.
    Chromosomes with four-arm structure — Stock Photo
    Chromosomes with four-arm structure
    Possible global pandemic. Vaccine study for the Coronavirus virus. — Stock Photo
    Possible global pandemic. Vaccine study for the Coronavirus virus.
    Colonies of Penicillium fungi grown on Sabouraud Dextrose Agar and digital illustration of fungal morphology. — Stock Photo
    Colonies of Penicillium fungi grown on Sabouraud Dextrose Agar and digital illustration of fungal morphology.
    Female researcher with micro pipette sampling into test tube. — Stock Photo
    Female researcher with micro pipette sampling into test tube.
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.
    PCR tubes with orange and purple samples on black background. — Stock Photo
    PCR tubes with orange and purple samples on black background.
    Top view of various clear jars with hydrochloric gel for filling serves to disinfect the hands of covid-19 — Stock Photo
    Top view of various clear jars with hydrochloric gel for filling serves to disinfect the hands of covid-19
    Lab technician opening sterilization tank — Stock Photo
    Lab technician opening sterilization tank
    Teacher assisting students in experiment at laboratory — Stock Photo
    Teacher assisting students in experiment at laboratory
    Petri dishes for DNA sequencing, close-up. — Stock Photo
    Petri dishes for DNA sequencing, close-up.
    Molecules of thyroid hormones triiodothyronine T3 and thyroxine T4 in human body, digital illustration. — Stock Photo
    Molecules of thyroid hormones triiodothyronine T3 and thyroxine T4 in human body, digital illustration.
    Close-up of scientist pipetting liquid into multiwell tray. — Stock Photo
    Close-up of scientist pipetting liquid into multiwell tray.
    Scientist closing lid of vial while laboratory testing. — Stock Photo
    Scientist closing lid of vial while laboratory testing.
    Biology laboratory scientist hands working with cell culture in flask. — Stock Photo
    Biology laboratory scientist hands working with cell culture in flask.
    DNA test result on microcentrifuge tube with DNA sample in scientist hand. — Stock Photo
    DNA test result on microcentrifuge tube with DNA sample in scientist hand.
    Scientist pipetting samples into test tubes in laboratory. — Stock Photo
    Scientist pipetting samples into test tubes in laboratory.
    Female medical specialist in protective uniform, latex gloves and face mask doing mouth swab test with cotton bud on African American female patient in clinic during coronavirus outbreak — Stock Photo
    Female medical specialist in protective uniform, latex gloves and face mask doing mouth swab test with cotton bud on African American female patient in clinic during coronavirus outbreak
    Close-up of hand using multipipette for placing DNA onto agarose gel. — Stock Photo
    Close-up of hand using multipipette for placing DNA onto agarose gel.
    Female scientist working with test tube — Stock Photo
    Female scientist working with test tube
    Microbiological culture growing in Petri dish, close-up. — Stock Photo
    Microbiological culture growing in Petri dish, close-up.
    Microscopic cross section view of HIV virus — Stock Photo
    Microscopic cross section view of HIV virus
    Female researcher pipetting liquid in science laboratory. — Stock Photo
    Female researcher pipetting liquid in science laboratory.
    Closeup view of empty laboratory beakers in drawer — Stock Photo
    Closeup view of empty laboratory beakers in drawer
    Conceptual image of polyomavirus cells — Stock Photo
    Conceptual image of polyomavirus cells
    Scientist holding petri dish with biohazard warning in microbiology lab. — Stock Photo
    Scientist holding petri dish with biohazard warning in microbiology lab.
    Racks of samples in test tubes and Petri dishes on laboratory table. — Stock Photo
    Racks of samples in test tubes and Petri dishes on laboratory table.
    Female laboratory worker filling vials with pipette, close-up. — Stock Photo
    Female laboratory worker filling vials with pipette, close-up.
    Glass vials with dropper system for medical use V composition — Stock Photo
    Glass vials with dropper system for medical use V composition
    Technician pipetting biological samples in multiwell plate. — Stock Photo
    Technician pipetting biological samples in multiwell plate.
    Digital molecular model of secondary structure of immunoglobulin G antibody. — Stock Photo
    Digital molecular model of secondary structure of immunoglobulin G antibody.
    Mid section of university student experimenting molecule model in laboratory — Stock Photo
    Mid section of university student experimenting molecule model in laboratory
    Digital illustration of balls of cholesterol lipids in blood vessel. — Stock Photo
    Digital illustration of balls of cholesterol lipids in blood vessel.
    Colored DNA double helix molecule on white background, digital illustration. — Stock Photo
    Colored DNA double helix molecule on white background, digital illustration.
    Female laboratory assistant wearing safety goggles. — Stock Photo
    Female laboratory assistant wearing safety goggles.
    Boy student examining DNA model in classroom — Stock Photo
    Boy student examining DNA model in classroom
    Close-up of female scientist taking notes in soil testing laboratory. — Stock Photo
    Close-up of female scientist taking notes in soil testing laboratory.