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    3d illustration of cancer cells attacked and killed by lymphocytes. — Stock Photo
    3d illustration of cancer cells attacked and killed by lymphocytes.
    3d illustration of cross-section of hepatitis pathogen with DNA, cell nucleus and receptors. — Stock Photo
    3d illustration of cross-section of hepatitis pathogen with DNA, cell nucleus and receptors.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell. — Stock Photo
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell.
    Female scientist in clean suit researching coronavirus in laboratory — Stock Photo
    Female scientist in clean suit researching coronavirus in laboratory
    Female scientist using pipette in laboratory — Stock Photo
    Female scientist using pipette in laboratory
    Human embryonic stem cell, digital illustration. — Stock Photo
    Human embryonic stem cell, digital illustration.
    Female scientist examining fluid in beaker, rear view — Stock Photo
    Female scientist examining fluid in beaker, rear view
    Coloured scanning electron micrograph of 293T cell infected with human immunodeficiency virus. — Stock Photo
    Coloured scanning electron micrograph of 293T cell infected with human immunodeficiency virus.
    Illustration of transparent cells with splitting nuclei, cell membrane and visible chromosomes. — Stock Photo
    Illustration of transparent cells with splitting nuclei, cell membrane and visible chromosomes.
    3d illustration of cancer cell attacked and killed by lymphocytes. — Stock Photo
    3d illustration of cancer cell attacked and killed by lymphocytes.
    3D illustration of blastocystis hominis parasite, causative agent of diarrheal infection. — Stock Photo
    3D illustration of blastocystis hominis parasite, causative agent of diarrheal infection.
    Female researcher using micropipette and tubes in laboratory, close-up. — Stock Photo
    Female researcher using micropipette and tubes in laboratory, close-up.
    Illustration of blue stem cell on plain background. — Stock Photo
    Illustration of blue stem cell on plain background.
    Illustration of 4 cell stage egg on blue background. — Stock Photo
    Illustration of 4 cell stage egg on blue background.
    Illustration of 4 cell stage egg on black background. — Stock Photo
    Illustration of 4 cell stage egg on black background.
    Researchers handling stem cell cultures in laboratory while drug research. — Stock Photo
    Researchers handling stem cell cultures in laboratory while drug research.
    3d illustration of sperm cells frozen into ice cubes. — Stock Photo
    3d illustration of sperm cells frozen into ice cubes.
    Transparent sperm cells moving towards round red colored egg cell, illustration. — Stock Photo
    Transparent sperm cells moving towards round red colored egg cell, illustration.
    Female scientist holding multi-well plate with growth medium. — Stock Photo
    Female scientist holding multi-well plate with growth medium.
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Female scientist examining cultures in petri dish. — Stock Photo
    Female scientist examining cultures in petri dish.
    Close-up of 3d rendering microscopic blue bacteria. — Stock Photo
    Close-up of 3d rendering microscopic blue bacteria.
    Migrating breast cancer cell, digital 3d illustration. — Stock Photo
    Migrating breast cancer cell, digital 3d illustration.
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration. These Gram-positive spherical bacteria are usually found in pairs. They colonize respiratory tract asymptomatically in healthy carriers, but can cause pneumonia — Stock Photo
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration. These Gram-positive spherical bacteria are usually found in pairs. They colonize respiratory tract asymptomatically in healthy carriers, but can cause pneumonia
    Digital 3d colored illustration of cancer cell in process of mitosis. — Stock Photo
    Digital 3d colored illustration of cancer cell in process of mitosis.
    Cell culture plate on white background. — Stock Photo
    Cell culture plate on white background.
    Illustration of 4 cell stage egg on blue background. — Stock Photo
    Illustration of 4 cell stage egg on blue background.
    Medium tray with cells and DNA autoradiogram for scientific research. — Stock Photo
    Medium tray with cells and DNA autoradiogram for scientific research.
    Coloured scanning electron micrograph of 293T cell infected with human immunodeficiency virus. — Stock Photo
    Coloured scanning electron micrograph of 293T cell infected with human immunodeficiency virus.
    Human sperm cells, abstract computer illustration. — Stock Photo
    Human sperm cells, abstract computer illustration.
    3d illustration of cross-section of hepatitis pathogen with DNA, cell nucleus and receptors. — Stock Photo
    3d illustration of cross-section of hepatitis pathogen with DNA, cell nucleus and receptors.
    Nerve cells and axon connections — Stock Photo
    Nerve cells and axon connections
    Close-up of female scientist using pipette in laboratory — Stock Photo
    Close-up of female scientist using pipette in laboratory
    Side view of woman in medical uniform and mask using modern microscope to examine human cells while working in lab of modern clinic — Stock Photo
    Side view of woman in medical uniform and mask using modern microscope to examine human cells while working in lab of modern clinic
    Petri dish and cell sampling brush. — Stock Photo
    Petri dish and cell sampling brush.
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell. — Stock Photo
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell.
    Soap bubbles and acrylic paint in oil — Stock Photo
    Soap bubbles and acrylic paint in oil
    Cancer cells forming a tumor, illustration. — Stock Photo
    Cancer cells forming a tumor, illustration.
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell. — Stock Photo
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell.
    Basophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Basophil white blood cell and red blood cells, digital illustration.
    Female researcher holding medium tray. — Stock Photo
    Female researcher holding medium tray.
    Police forensic analyst taking notes while examining confiscated mobile phone. — Stock Photo
    Police forensic analyst taking notes while examining confiscated mobile phone.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Conceptual image of plasmodium causing malaria — Stock Photo
    Conceptual image of plasmodium causing malaria
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Illustration of pink stem cell on blue background. — Stock Photo
    Illustration of pink stem cell on blue background.
    Basophil white blood cell, digital illustration. — Stock Photo
    Basophil white blood cell, digital illustration.
    Illustration of human egg cell dividing on blue background. — Stock Photo
    Illustration of human egg cell dividing on blue background.
    Illustration of pink stem cells on blue background. — Stock Photo
    Illustration of pink stem cells on blue background.
    Female researcher using light microscope for examining stem cells in culture jar. — Stock Photo
    Female researcher using light microscope for examining stem cells in culture jar.
    Possible global pandemic. Vaccine study for the Coronavirus virus. — Stock Photo
    Possible global pandemic. Vaccine study for the Coronavirus virus.
    Scientist pipetting sample into growth medium in multiwell plate. — Stock Photo
    Scientist pipetting sample into growth medium in multiwell plate.
    Lawyers talking on cell phone in chambers — Stock Photo
    Lawyers talking on cell phone in chambers
    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.
    Spherical and rod-shaped bacteria inside biofilm, digital illustration. — Stock Photo
    Spherical and rod-shaped bacteria inside biofilm, digital illustration.
    Illustration of pink stem cell on black background. — Stock Photo
    Illustration of pink stem cell on black background.
    Basophil white blood cell, digital illustration. — Stock Photo
    Basophil white blood cell, digital illustration.
    Police forensic expert examining confiscated mobile phone and taking notes in science laboratory. — Stock Photo
    Police forensic expert examining confiscated mobile phone and taking notes in science laboratory.
    Female scientist holding tray for stem cell research. — Stock Photo
    Female scientist holding tray for stem cell research.