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    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.
    Molecule of triiodothyronine T3 hormone produced by thyroid gland, digital illustration. — Stock Photo
    Molecule of triiodothyronine T3 hormone produced by thyroid gland, digital illustration.
    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.
    Close-up of drop of red liquid pipetted into multi-well sample tray. — Stock Photo
    Close-up of drop of red liquid pipetted into multi-well sample tray.
    Close-up of micropipette pipetting blood sample into microcentrifuge tubes. — Stock Photo
    Close-up of micropipette pipetting blood sample into microcentrifuge tubes.
    Illustration of purple chloride channels in cell membrane. — Stock Photo
    Illustration of purple chloride channels in cell membrane.
    Proteins folding into their three dimensional structure, illustration. — Stock Photo
    Proteins folding into their three dimensional structure, illustration.
    Abstract protein formation, digital illustration. — Stock Photo
    Abstract protein formation, digital illustration.
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    Basophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Basophil white blood cell and red blood cells, digital illustration.
    Female laboratory assistant using pipette. — Stock Photo
    Female laboratory assistant using pipette.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Liquid samples in quartz cuvettes containers. — Stock Photo
    Liquid samples in quartz cuvettes containers.
    CRISPR-Cas9 gene editing complex and DNA, computer illustration — Stock Photo
    CRISPR-Cas9 gene editing complex and DNA, computer illustration
    Female cell biologist placing flask containing stem cells cultivated in red growth medium under microscope. — Stock Photo
    Female cell biologist placing flask containing stem cells cultivated in red growth medium under microscope.
    Blood samples for testing in microcentrifuge tubes. — Stock Photo
    Blood samples for testing in microcentrifuge tubes.
    Chromosomes, illustration. Chromosomes are composed of deoxyribonucleic acid (DNA) and contain sections, called genes, which encode the body's genetic information — Stock Photo
    Chromosomes, illustration. Chromosomes are composed of deoxyribonucleic acid (DNA) and contain sections, called genes, which encode the body's genetic information
    Female laboratory assistant using equipment. — Stock Photo
    Female laboratory assistant using equipment.
    Female surgeon in surgical cap looking in camera. — Stock Photo
    Female surgeon in surgical cap looking in camera.
    Scientist closing lid of vial while laboratory testing. — Stock Photo
    Scientist closing lid of vial while laboratory testing.
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing. — Stock Photo
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing.
    Molecular model of phosphodiesterase snake venom from Taiwan cobra. — Stock Photo
    Molecular model of phosphodiesterase snake venom from Taiwan cobra.
    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.
    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.
    Liquid samples in quartz cuvettes containers. — Stock Photo
    Liquid samples in quartz cuvettes containers.
    Female scientists working in laboratory. — Stock Photo
    Female scientists working in laboratory.
    Female scientist working in laboratory. — Stock Photo
    Female scientist working in laboratory.
    Genetic research tube containing DNA sample with DNA profile in background. — Stock Photo
    Genetic research tube containing DNA sample with DNA profile in background.
    Close-up of hands using equipment in laboratory. — Stock Photo
    Close-up of hands using equipment in laboratory.
    Microcentrifuge sample tubes in styrofoam rack on blue background. — Stock Photo
    Microcentrifuge sample tubes in styrofoam rack on blue background.
    Male scientists in surgical caps using microscope. — Stock Photo
    Male scientists in surgical caps using microscope.
    Activated Ras protein, digital illustration. — Stock Photo
    Activated Ras protein, digital illustration.
    Digital molecular model of secondary structure of immunoglobulin G antibody. — Stock Photo
    Digital molecular model of secondary structure of immunoglobulin G antibody.
    Illustration of adrenal gland and molecular model of steroid hormone Aldosterone. — Stock Photo
    Illustration of adrenal gland and molecular model of steroid hormone Aldosterone.
    Illustration of low density cholesterol lipoprotein in bloodstream. — Stock Photo
    Illustration of low density cholesterol lipoprotein in bloodstream.
    Technician placing glass column with calibration solution to mass spectrometer. — Stock Photo
    Technician placing glass column with calibration solution to mass spectrometer.
    Molecular model of the anti-cancer protein p53. — Stock Photo
    Molecular model of the anti-cancer protein p53.
    Female scientist working in laboratory. — Stock Photo
    Female scientist working in laboratory.
    Scientist holding chemical flask and using pipette. — Stock Photo
    Scientist holding chemical flask and using pipette.
    Female scientist researching sample in petri dish under light microscope. — Stock Photo
    Female scientist researching sample in petri dish under light microscope.
    Biologist hands with protective gloves holding trowel with soil above samples separated in containers. — Stock Photo
    Biologist hands with protective gloves holding trowel with soil above samples separated in containers.
    Female laboratory assistant holding chemical flask. — Stock Photo
    Female laboratory assistant holding chemical flask.
    Lymphocytes white blood cells, digital illustration. — Stock Photo
    Lymphocytes white blood cells, digital illustration.
    Scientist using equipment in laboratory. — Stock Photo
    Scientist using equipment in laboratory.
    Lysozyme molecular structure, digital illustration. — Stock Photo
    Lysozyme molecular structure, digital illustration.
    Close-up of DNA autoradiogram on white background. — Stock Photo
    Close-up of DNA autoradiogram on white background.
    Close-up of hand in glove adjusting microscope slide. — Stock Photo
    Close-up of hand in glove adjusting microscope slide.
    Male scientists in protective clothing working in laboratory. — Stock Photo
    Male scientists in protective clothing working in laboratory.
    Unzipped DNA molecule — Stock Photo
    Unzipped DNA molecule
    Molecular model of hormone cortisol and digital illustration of adrenal gland. — Stock Photo
    Molecular model of hormone cortisol and digital illustration of adrenal gland.
    Graduated pipette and test tubes — Stock Photo
    Graduated pipette and test tubes
    Molecular model of follicle-stimulating hormone. — Stock Photo
    Molecular model of follicle-stimulating hormone.
    Single test tube with blood sample in rack. — Stock Photo
    Single test tube with blood sample in rack.
    Scientist holding multi-well plate with growth medium. — Stock Photo
    Scientist holding multi-well plate with growth medium.
    Female laboratory assistant using mini centrifuge. — Stock Photo
    Female laboratory assistant using mini centrifuge.
    Close-up of scientist fingers holding microcentrifuge tube with blue liquid. — Stock Photo
    Close-up of scientist fingers holding microcentrifuge tube with blue liquid.
    Researcher placing petri dish with cell culture under microscope. — Stock Photo
    Researcher placing petri dish with cell culture under microscope.
    Close-up of pipetting blood sample into microcentrifuge tubes. — Stock Photo
    Close-up of pipetting blood sample into microcentrifuge tubes.
    Micropipette pipetting blood sample into Petri dish. — Stock Photo
    Micropipette pipetting blood sample into Petri dish.
    Trypsin enzyme surface — Stock Photo
    Trypsin enzyme surface