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    Activated Ras protein, digital illustration. — Stock Photo
    Activated Ras protein, digital illustration.
    Cell membrane structure, digital illustration. — Stock Photo
    Cell membrane structure, digital illustration.
    Lab technician adding liquid from graduated cylinder to beaker — Stock Photo
    Lab technician adding liquid from graduated cylinder to beaker
    Close-up of female scientist taking notes in soil testing laboratory. — Stock Photo
    Close-up of female scientist taking notes in soil testing laboratory.
    Four-armed chromosomes — Stock Photo
    Four-armed chromosomes
    Lab chemist placing a sample slide on a microscope stage — Stock Photo
    Lab chemist placing a sample slide on a microscope stage
    Blood samples in PCR tubes. — Stock Photo
    Blood samples in PCR tubes.
    Male teacher helping girl student at microscope in laboratory classroom — Stock Photo
    Male teacher helping girl student at microscope in laboratory classroom
    Laboratory assistants looking at chemical flask with blue liquid. — Stock Photo
    Laboratory assistants looking at chemical flask with blue liquid.
    Glass bottles with dropper system for medical use V composition with hand with protective glove holding the dropper from above — Stock Photo
    Glass bottles with dropper system for medical use V composition with hand with protective glove holding the dropper from above
    Female scientist holding tray for stem cell research. — Stock Photo
    Female scientist holding tray for stem cell research.
    Medium tray with cells and DNA autoradiogram for scientific research. — Stock Photo
    Medium tray with cells and DNA autoradiogram for scientific research.
    Molecular model of parathyroid hormone structure. — Stock Photo
    Molecular model of parathyroid hormone structure.
    Illustration of adrenal gland and molecular model of steroid hormone Aldosterone. — Stock Photo
    Illustration of adrenal gland and molecular model of steroid hormone Aldosterone.
    Chemist holding vial in pharmaceutical laboratory. — Stock Photo
    Chemist holding vial in pharmaceutical laboratory.
    Multipipette and rack of vials for genetic research on white background. — Stock Photo
    Multipipette and rack of vials for genetic research on white background.
    Side view focused male expert in lab coat gloves examining samples through powerful microscope lenses while working in modern equipped laboratory — Stock Photo
    Side view focused male expert in lab coat gloves examining samples through powerful microscope lenses while working in modern equipped laboratory
    Cropped unrecognizable expert person in lab coat gloves examining samples through powerful microscope lenses while working in modern equipped laboratory — Stock Photo
    Cropped unrecognizable expert person in lab coat gloves examining samples through powerful microscope lenses while working in modern equipped laboratory
    Test tube with blue chemical fluid placed in cold water in glass jar in modern equipped laboratory — Stock Photo
    Test tube with blue chemical fluid placed in cold water in glass jar in modern equipped laboratory
    Possible global pandemic. Vaccine study for the Coronavirus virus. — Stock Photo
    Possible global pandemic. Vaccine study for the Coronavirus virus.
    Close-up of biologist pouring water into containers with soil samples. — Stock Photo
    Close-up of biologist pouring water into containers with soil samples.
    Blood samples in microcentrifuge tube strip for genetic analysis. — Stock Photo
    Blood samples in microcentrifuge tube strip for genetic analysis.
    Scientific or medical samples on glass table — Stock Photo
    Scientific or medical samples on glass table
    Scientist gloved hands holding micro-petri dishes. — Stock Photo
    Scientist gloved hands holding micro-petri dishes.
    Scientists in protective clothing working in laboratory. — Stock Photo
    Scientists in protective clothing working in laboratory.
    Teenage girl experimenting on microscope in laboratory at university — Stock Photo
    Teenage girl experimenting on microscope in laboratory at university
    Pattern of cultures growing in Petri dishes on plain background. — Stock Photo
    Pattern of cultures growing in Petri dishes on plain background.
    Close-up of multichannel pipette with green liquid pipetting into multiwell plate in laboratory. — Stock Photo
    Close-up of multichannel pipette with green liquid pipetting into multiwell plate in laboratory.
    Close-up of pipette sampling chemical compounds from glass beaker. — Stock Photo
    Close-up of pipette sampling chemical compounds from glass beaker.
    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.
    Laboratory assistants using pipette with digital display. — Stock Photo
    Laboratory assistants using pipette with digital display.
    Female scientist using computer. — Stock Photo
    Female scientist using computer.
    College students experimenting on microscope in laboratory at university — Stock Photo
    College students experimenting on microscope in laboratory at university
    Close-up of DNA autoradiograms on white background. — Stock Photo
    Close-up of DNA autoradiograms on white background.
    Scientist holding object with tweezers — Stock Photo
    Scientist holding object with tweezers
    Female researcher with micro pipette sampling into test tube. — Stock Photo
    Female researcher with micro pipette sampling into test tube.
    Person hand holding petri dish with biological culture. — Stock Photo
    Person hand holding petri dish with biological culture.
    Hands in gloves of female scientist in laboratory shaking glass flask with dissolved samples of soil. — Stock Photo
    Hands in gloves of female scientist in laboratory shaking glass flask with dissolved samples of soil.
    DNA molecule structure — Stock Photo
    DNA molecule structure
    LDL receptors on cell membrane, illustration — Stock Photo
    LDL receptors on cell membrane, illustration
    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.
    Close-up view of researcher hand taking blood sample from rack of medical samples. — Stock Photo
    Close-up view of researcher hand taking blood sample from rack of medical samples.
    Lymphocyte white blood cells in human lymphatic system, digital illustration. — Stock Photo
    Lymphocyte white blood cells in human lymphatic system, digital illustration.
    Close-up of pipette pipetting into test tubes in pathogenic laboratory. — Stock Photo
    Close-up of pipette pipetting into test tubes in pathogenic laboratory.
    Female scientist pipetting sample into microcentrifuge tubes ready for automated analysis while biotechnology research. — Stock Photo
    Female scientist pipetting sample into microcentrifuge tubes ready for automated analysis while biotechnology research.
    Girl student examining DNA model in classroom — Stock Photo
    Girl student examining DNA model in classroom
    Cell membrane structure, digital illustration. — Stock Photo
    Cell membrane structure, digital illustration.
    Female laboratory assistant standing with arms folded. — Stock Photo
    Female laboratory assistant standing with arms folded.
    Female medic in mask and gloves holding tube with blood sample in modern lab in clinic — Stock Photo
    Female medic in mask and gloves holding tube with blood sample in modern lab in clinic
    Scientist arranging device on floor in laboratory. — Stock Photo
    Scientist arranging device on floor in laboratory.
    Laboratory technician using micro pipette while sampling into test tube. — Stock Photo
    Laboratory technician using micro pipette while sampling into test tube.
    Teenage girl examining the molecule model in laboratory at university — Stock Photo
    Teenage girl examining the molecule model in laboratory at university
    Researcher in white costume writing on tablet at laboratory. — Stock Photo
    Researcher in white costume writing on tablet at laboratory.
    Scientist hand holding micro-centrifuge tube containing biological sample. — Stock Photo
    Scientist hand holding micro-centrifuge tube containing biological sample.
    Urine sample with test strip showing results. — Stock Photo
    Urine sample with test strip showing results.
    Pensive, curious girl student examining molecular structure — Stock Photo
    Pensive, curious girl student examining molecular structure
    Scientist viewing multi well plate containing samples for testing in laboratory. — Stock Photo
    Scientist viewing multi well plate containing samples for testing in laboratory.
    Male laboratory assistant using pipette. — Stock Photo
    Male laboratory assistant using pipette.
    Male scientist in protective clothing working in laboratory. — Stock Photo
    Male scientist in protective clothing working in laboratory.
    Female lab assistant using pipette, close-up. — Stock Photo
    Female lab assistant using pipette, close-up.