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    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (grey) and large intercellular air spaces (holes). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (grey) and large intercellular air spaces (holes).
    Crop male hands holding black coffee in disposable cup and smartphone — Stock Photo
    Crop male hands holding black coffee in disposable cup and smartphone
    Young multicultural business people working in modern office — Stock Photo
    Young multicultural business people working in modern office
    Magnified digital illustration of 2 cell stage embryo. — Stock Photo
    Magnified digital illustration of 2 cell stage embryo.
    Crop view from above of person holding smartphone outside wearing winter clothes — Stock Photo
    Crop view from above of person holding smartphone outside wearing winter clothes
    Apoptosis of neuron cell — Stock Photo
    Apoptosis of neuron cell
    Young asian college student using smartphone — Stock Photo
    Young asian college student using smartphone
    Cancer cell, computer illustration — Stock Photo
    Cancer cell, computer illustration
    Young attractive asian woman using smartphone in shopping mall — Stock Photo
    Young attractive asian woman using smartphone in shopping mall
    Young asian business woman in hijab in modern office — Stock Photo
    Young asian business woman in hijab in modern office
    Undifferentiated stem cells — Stock Photo
    Undifferentiated stem cells
    Epithelium from a fallopian tube — Stock Photo
    Epithelium from a fallopian tube
    Portrait of Handsome young man smiling while using a mobile phone — Stock Photo
    Portrait of Handsome young man smiling while using a mobile phone
    Young asian business woman with coffee and smartphone in modern office — Stock Photo
    Young asian business woman with coffee and smartphone in modern office
    Apoptosis of neuron cell — Stock Photo
    Apoptosis of neuron cell
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Cross-section through a fallopian tube — Stock Photo
    Cross-section through a fallopian tube
    Young asian sporty woman using smartphone in park — Stock Photo
    Young asian sporty woman using smartphone in park
    Young couple looking at mobile while having fun — Stock Photo
    Young couple looking at mobile while having fun
    Light micrograph of a cross section through a grape vine (Vitis sp.) stem. — Stock Photo
    Light micrograph of a cross section through a grape vine (Vitis sp.) stem.
    Attractive young asian couple drinking coffee and using smartphone — Stock Photo
    Attractive young asian couple drinking coffee and using smartphone
    Portrait of happy attractive young afro latin woman speaking on a smartphone in a commercial mall, Colombia — Stock Photo
    Portrait of happy attractive young afro latin woman speaking on a smartphone in a commercial mall, Colombia
    Structure of neutrophil white blood cell, digital illustration. — Stock Photo
    Structure of neutrophil white blood cell, digital illustration.
    Transparent cells on grey background, digital illustration. — Stock Photo
    Transparent cells on grey background, digital illustration.
    Basophil white blood cell, digital illustration. — Stock Photo
    Basophil white blood cell, digital illustration.
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain. — Stock Photo
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain.
    Fibrosarcoma cells in late stage of mitosis — Stock Photo
    Fibrosarcoma cells in late stage of mitosis
    Attractive young asian girl using smartphone and coffee cup — Stock Photo
    Attractive young asian girl using smartphone and coffee cup
    Animal cells during cytokinesis (cell division), illustration — Stock Photo
    Animal cells during cytokinesis (cell division), illustration
    Young asian female friends together taking selfie on city street — Stock Photo
    Young asian female friends together taking selfie on city street
    Cell membrane, illustration, colorful image — Stock Photo
    Cell membrane, illustration, colorful image
    Section through the olfactory epithelium — Stock Photo
    Section through the olfactory epithelium
    Woman using laptop in creative modern office — Stock Photo
    Woman using laptop in creative modern office
    Two young asian people at work with laptop in modern office — Stock Photo
    Two young asian people at work with laptop in modern office
    Cancer cell with filaments — Stock Photo
    Cancer cell with filaments
    Young asian business woman talking on smartphone in modern office — Stock Photo
    Young asian business woman talking on smartphone in modern office
    Successful business asian couple together working with laptop in airport — Stock Photo
    Successful business asian couple together working with laptop in airport
    Cropped image of woman using smartphone on stairs — Stock Photo
    Cropped image of woman using smartphone on stairs
    Human brain cells — Stock Photo
    Human brain cells
    Young multicultural business people working with digital devices in modern office — Stock Photo
    Young multicultural business people working with digital devices in modern office
    Medical illustration of human cell structure on white background. — Stock Photo
    Medical illustration of human cell structure on white background.
    Illustration of silhouette of pregnant woman with visible uterus and 8 cell stage embryo. — Stock Photo
    Illustration of silhouette of pregnant woman with visible uterus and 8 cell stage embryo.
    Young asian college student using smartphone — Stock Photo
    Young asian college student using smartphone
    Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow).
    Illustration of human multi-cellular embryo. — Stock Photo
    Illustration of human multi-cellular embryo.
    Teen on the street in a sunny day. Pink wall — Stock Photo
    Teen on the street in a sunny day. Pink wall
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp.
    Surgeon walking in hospital hall browsing phone — Stock Photo
    Surgeon walking in hospital hall browsing phone
    Genetic engineering, illustration. Synthetic small-ribonucleic acid (sRNA) being injected (needle tip at upper right) into the cell cytoplasm as part of a process of genetic engineering — Stock Photo
    Genetic engineering, illustration. Synthetic small-ribonucleic acid (sRNA) being injected (needle tip at upper right) into the cell cytoplasm as part of a process of genetic engineering
    Animal cells with mitochondria, digital illustration. — Stock Photo
    Animal cells with mitochondria, digital illustration.
    Young asian attractive woman using smartphone on city street — Stock Photo
    Young asian attractive woman using smartphone on city street
    Tumour tissue cells, digital illustration. — Stock Photo
    Tumour tissue cells, digital illustration.
    Bone marrow stem cells dividing — Stock Photo
    Bone marrow stem cells dividing
    Young asian sporty woman using headphones against grey background — Stock Photo
    Young asian sporty woman using headphones against grey background
    Young asian women taking selfie in creative modern office — Stock Photo
    Young asian women taking selfie in creative modern office
    Nerve cells and intercellular junctions — Stock Photo
    Nerve cells and intercellular junctions
    Happy young asian couple using mobile phone in cafe — Stock Photo
    Happy young asian couple using mobile phone in cafe
    Successful business asian couple together in airport — Stock Photo
    Successful business asian couple together in airport
    Young multicultural business people working with digital devices in modern office — Stock Photo
    Young multicultural business people working with digital devices in modern office
    Human cell infected with Simian Immunodeficiency Virus from sooty mangabey, colored scanning electron micrograph. — Stock Photo
    Human cell infected with Simian Immunodeficiency Virus from sooty mangabey, colored scanning electron micrograph.