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    Chromosomes with four-arm structure — Stock Photo
    Chromosomes with four-arm structure
    SARS-CoV-2 viruses and activated neutrophil, conceptual computer illustration — Stock Photo
    SARS-CoV-2 viruses and activated neutrophil, conceptual computer illustration
    Composite image of scientist hand with colony of Micrococcus luteus bacteria in nutrient medium — Stock Photo
    Composite image of scientist hand with colony of Micrococcus luteus bacteria in nutrient medium
    Various microbes of different shapes — Stock Photo
    Various microbes of different shapes
    Acute pyelonephritis. Illustration of small abscesses (yellow) on surface of kidney in case of acute pyelonephritis — Stock Photo
    Acute pyelonephritis. Illustration of small abscesses (yellow) on surface of kidney in case of acute pyelonephritis
    Red blood cells in the bloodstream — Stock Photo
    Red blood cells in the bloodstream
    HIV human immunodeficiency virus in bloodstream, digital illustration — Stock Photo
    HIV human immunodeficiency virus in bloodstream, digital illustration
    Egg cell with nucleus, digital illustration. — Stock Photo
    Egg cell with nucleus, digital illustration.
    DNA autoradiograph pattern, digital illustration. — Stock Photo
    DNA autoradiograph pattern, digital illustration.
    Enteroviruses, computer illustration. Enterovirus is genus of positive-sense RNA viruses of family Picornaviridae — Stock Photo
    Enteroviruses, computer illustration. Enterovirus is genus of positive-sense RNA viruses of family Picornaviridae
    Close-up of microtubes with red liquid. — Stock Photo
    Close-up of microtubes with red liquid.
    Coloured scanning electron micrograph of cultured cancer cell from human cervix showing numerous microvilli. — Stock Photo
    Coloured scanning electron micrograph of cultured cancer cell from human cervix showing numerous microvilli.
    DNA strand with damage, conceptual digital illustration. — Stock Photo
    DNA strand with damage, conceptual digital illustration.
    HIV viruses infecting T-lymphocyte cell — Stock Photo
    HIV viruses infecting T-lymphocyte cell
    Stacked Petri dishes with blood agar on plain background. — Stock Photo
    Stacked Petri dishes with blood agar on plain background.
    Colored digital illustration of green cancer cell. — Stock Photo
    Colored digital illustration of green cancer cell.
    Close-up of micropipette pipetting blood sample into petri dish. — Stock Photo
    Close-up of micropipette pipetting blood sample into petri dish.
    Fertilisation of egg cell with spermatozoa, digital illustration. — Stock Photo
    Fertilisation of egg cell with spermatozoa, digital illustration.
    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.
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Human cytomegalovirus particles in blood flow, digital illustration. — Stock Photo
    Human cytomegalovirus particles in blood flow, digital illustration.
    Digital illustration of Mycobacterium tuberculosis gram-positive rod-shaped bacteria which causing disease tuberculosis. — Stock Photo
    Digital illustration of Mycobacterium tuberculosis gram-positive rod-shaped bacteria which causing disease tuberculosis.
    Close-up of hand of cell biologist holding flask of stem cells cultivated in red growth medium. — Stock Photo
    Close-up of hand of cell biologist holding flask of stem cells cultivated in red growth medium.
    Plant biotechnology and research — Stock Photo
    Plant biotechnology and research
    Colored scanning electron micrograph of osteoblast osteocyte bone cell. — Stock Photo
    Colored scanning electron micrograph of osteoblast osteocyte bone cell.
    Ebola virus particles in blood, digital illustration. — Stock Photo
    Ebola virus particles in blood, digital illustration.
    Abstract DNA molecules, digital illustration. — Stock Photo
    Abstract DNA molecules, digital illustration.
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Echo virus structure, digital illustration. — Stock Photo
    Echo virus structure, digital illustration.
    Illustration of purple chloride channels in cell membrane. — Stock Photo
    Illustration of purple chloride channels in cell membrane.
    Cells undergoing mitosis — Stock Photo
    Cells undergoing mitosis
    Bloodstream showing red blood cells — Stock Photo
    Bloodstream showing red blood cells
    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.
    Nanoparticles in blood — Stock Photo
    Nanoparticles in blood
    Ribonucleic acid (RNA) chain, 3d illustration. — Stock Photo
    Ribonucleic acid (RNA) chain, 3d illustration.
    Illustration of group of cells in blood clot. — Stock Photo
    Illustration of group of cells in blood clot.
    Digital illustration of silhouette with liver inflammation and close-up of hepatitis C virion. — Stock Photo
    Digital illustration of silhouette with liver inflammation and close-up of hepatitis C virion.
    Morphine binding to opioid receptors, digital illustration. — Stock Photo
    Morphine binding to opioid receptors, digital illustration.
    Insulin binding to insulin receptor — Stock Photo
    Insulin binding to insulin receptor
    Cancer cells with blood vessel formation — Stock Photo
    Cancer cells with blood vessel formation
    Coloured scanning electron micrograph of osteocyte bone cell surrounded by bone tissue. — Stock Photo
    Coloured scanning electron micrograph of osteocyte bone cell surrounded by bone tissue.
    Illustration of human egg cell on blue background. — Stock Photo
    Illustration of human egg cell on blue background.
    Lab technician carrying cell-based testing kit in bioengineering laboratory. — Stock Photo
    Lab technician carrying cell-based testing kit in bioengineering laboratory.
    Aspergillus fungus structure — Stock Photo
    Aspergillus fungus structure
    Faecalibacterium prausnitzii bacteria in human gut, digital illustration. — Stock Photo
    Faecalibacterium prausnitzii bacteria in human gut, digital illustration.
    Low-density lipoprotein receptors binding on cell membrane, illustration. — Stock Photo
    Low-density lipoprotein receptors binding on cell membrane, illustration.
    Brain mucormycosis, a brain lesion caused by Mucor sp. fungi, also known as black fungus, with closeup view of fungi, computer illustration. Mucor sp. fungi are found in soil and decaying organic matter and are common indoor moulds — Stock Photo
    Brain mucormycosis, a brain lesion caused by Mucor sp. fungi, also known as black fungus, with closeup view of fungi, computer illustration. Mucor sp. fungi are found in soil and decaying organic matter and are common indoor moulds
    Colored illustration of amyloid plaques on nerve cell. — Stock Photo
    Colored illustration of amyloid plaques on nerve cell.
    Pneumonia caused by varicella zoster virus, digital illustration. — Stock Photo
    Pneumonia caused by varicella zoster virus, digital illustration.
    Hendra virus, computer illustration. Hendra virus infects both humans and horses and is passed on by fruit bats. It is rare and found mainly in Australia — Stock Photo
    Hendra virus, computer illustration. Hendra virus infects both humans and horses and is passed on by fruit bats. It is rare and found mainly in Australia
    Digital illustration of shaped virus cells. — Stock Photo
    Digital illustration of shaped virus cells.
    Cultured cancer cells — Stock Photo
    Cultured cancer cells
    Digital illustration of Mycobacterium tuberculosis gram-positive rod-shaped bacteria which causing disease tuberculosis. — Stock Photo
    Digital illustration of Mycobacterium tuberculosis gram-positive rod-shaped bacteria which causing disease tuberculosis.
    Horse chestnut pollen grain — Stock Photo
    Horse chestnut pollen grain
    Magnified digital illustration of leukocyte cell. — Stock Photo
    Magnified digital illustration of leukocyte cell.
    Human fetus developing at week 35, computer illustration. — Stock Photo
    Human fetus developing at week 35, computer illustration.
    Clostridium bacteria, computer illustration. Clostridia are spore-forming bacteria that include several human pathogenic species, C. difficile, C. tetani, C. botulinum, C. perfringens, and others. C. difficile is a normal inhabitant of the human inte — Stock Photo
    Clostridium bacteria, computer illustration. Clostridia are spore-forming bacteria that include several human pathogenic species, C. difficile, C. tetani, C. botulinum, C. perfringens, and others. C. difficile is a normal inhabitant of the human inte
    3d illustration of transparent sperm cells swimming towards egg cell. — Stock Photo
    3d illustration of transparent sperm cells swimming towards egg cell.
    Human fetus developing at week 24, computer illustration. — Stock Photo
    Human fetus developing at week 24, computer illustration.
    Interaction between virus and dendritic cell, computer illustration. Dendritic cells play a crucial role in initiating immune responses against viruses. They recognise incoming viruses and present their antigens to T cells. — Stock Photo
    Interaction between virus and dendritic cell, computer illustration. Dendritic cells play a crucial role in initiating immune responses against viruses. They recognise incoming viruses and present their antigens to T cells.