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    Elm stem. Light micrograph (LM) of cross-section through woody stem of elm (Ulmus procera) tree. — Stock Photo
    Elm stem. Light micrograph (LM) of cross-section through woody stem of elm (Ulmus procera) tree.
    Digital illustration of human cells on blue background. — Stock Photo
    Digital illustration of human cells on blue background.
    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.
    Illustration of beige stem cell on black background. — Stock Photo
    Illustration of beige stem cell on black background.
    High angle of lichen on tree branch among green branches in abundant forest — Stock Photo
    High angle of lichen on tree branch among green branches in abundant forest
    Close up view of delicious food — Stock Photo
    Close up view of delicious food
    Human embryonic stem cell on pin tip, conceptual digital artwork. — Stock Photo
    Human embryonic stem cell on pin tip, conceptual digital artwork.
    Stem of green asparagus on fork — Stock Photo
    Stem of green asparagus on fork
    Young female scientist viewing microscope during research. — Stock Photo
    Young female scientist viewing microscope during research.
    A spider dangles above a flower — Stock Photo
    A spider dangles above a flower
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Closeup of delicate soft white stamen — Stock Photo
    Closeup of delicate soft white stamen
    Texture of dry fallen orange autumn leaf with thin veins and stem against blurred gray background — Stock Photo
    Texture of dry fallen orange autumn leaf with thin veins and stem against blurred gray background
    Tomato plants growing in a polytunnel. — Stock Photo
    Tomato plants growing in a polytunnel.
    Female teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Female teacher and students conducting scientific experiment in laboratory classroom
    Bouquet of fresh flowers including white lilies eustoma and aster in glass vase at sunshine — Stock Photo
    Bouquet of fresh flowers including white lilies eustoma and aster in glass vase at sunshine
    Glazed Orange In Glass — Stock Photo
    Glazed Orange In Glass
    Close up of tiger lily flowers in a garden, England, United Kingdom — Stock Photo
    Close up of tiger lily flowers in a garden, England, United Kingdom
    Delicate white blossoming lisianthus flower on green stem for room decor at sunlight — Stock Photo
    Delicate white blossoming lisianthus flower on green stem for room decor at sunlight
    Closeup of tasty ripe fig slices with aromatic thyme sprigs on plate on wooden surface — Stock Photo
    Closeup of tasty ripe fig slices with aromatic thyme sprigs on plate on wooden surface
    Female scientist in clean suit researching coronavirus vaccine — Stock Photo
    Female scientist in clean suit researching coronavirus vaccine
    Lemon on stem with leaves — Stock Photo
    Lemon on stem with leaves
    Unripe and ripe cherry tomatoes growing on twig of plant in agricultural farm in rural area — Stock Photo
    Unripe and ripe cherry tomatoes growing on twig of plant in agricultural farm in rural area
    Exotic hummingbird sitting on twig on blurred background — Stock Photo
    Exotic hummingbird sitting on twig on blurred background
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    From above back view of crop anonymous female tourist swimming with wavy fabric in lake in twilight — Stock Photo
    From above back view of crop anonymous female tourist swimming with wavy fabric in lake in twilight
    Close-up view of a toadstool in moonlight — Stock Photo
    Close-up view of a toadstool in moonlight
    Beautiful hortensia flowers — Stock Photo
    Beautiful hortensia flowers
    Snail crawling up plant — Stock Photo
    Snail crawling up plant
    Green leaves composition in frame — Stock Photo
    Green leaves composition in frame
    Student in wheelchair studying furnace electronic control system in HVAC classroom — Stock Photo
    Student in wheelchair studying furnace electronic control system in HVAC classroom
    Field harvesting on the fields — Stock Photo
    Field harvesting on the fields
    Pink buds of flower — Stock Photo
    Pink buds of flower
    Girl holding a dandelion clock seedhead — Stock Photo
    Girl holding a dandelion clock seedhead
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Eucalyptus branches with gift tags, string and scissors — Stock Photo
    Eucalyptus branches with gift tags, string and scissors
    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.
    Maize root. Light micrograph (LM) of section through root of maize plant (Zea mays) showing typical monocot arrangement of vascular bundles. central vascular cylinder is comprised of central cluster of parenchyma cells — Stock Photo
    Maize root. Light micrograph (LM) of section through root of maize plant (Zea mays) showing typical monocot arrangement of vascular bundles. central vascular cylinder is comprised of central cluster of parenchyma cells
    Close-up of pot plant on table — Stock Photo
    Close-up of pot plant on table
    Male teacher and smiling girl student conducting scientific experiment at microscope in laboratory classroom — Stock Photo
    Male teacher and smiling girl student conducting scientific experiment at microscope in laboratory classroom
    Tropical green nature on red background — Stock Photo
    Tropical green nature on red background
    From above of festive Christmas bouquet with branches of cotton, fir and twigs of eucalyptus and bright red branches with berries placed on wooden table with candles in room — Stock Photo
    From above of festive Christmas bouquet with branches of cotton, fir and twigs of eucalyptus and bright red branches with berries placed on wooden table with candles in room
    Lemon in dish of salt — Stock Photo
    Lemon in dish of salt
    Woman standing in a garden holding a dahlia flower, Serbia — Stock Photo
    Woman standing in a garden holding a dahlia flower, Serbia
    Margarita in Blue Stem Glass — Stock Photo
    Margarita in Blue Stem Glass
    High angle of acoustic guitar and ukulele placed on green grass growing in nature in summer time in daylight — Stock Photo
    High angle of acoustic guitar and ukulele placed on green grass growing in nature in summer time in daylight
    Grapes And Bread in basket — Stock Photo
    Grapes And Bread in basket
    Surprised students conducting exploding foam scientific experiment in classroom laboratory — Stock Photo
    Surprised students conducting exploding foam scientific experiment in classroom laboratory
    Junior high students at computers watching teacher at projection screen in classroom — Stock Photo
    Junior high students at computers watching teacher at projection screen in classroom
    Male teacher calling on students in classroom — Stock Photo
    Male teacher calling on students in classroom
    Sea grasses on Long Beach Peninsula — Stock Photo
    Sea grasses on Long Beach Peninsula
    Field harvesting on the fields — Stock Photo
    Field harvesting on the fields
    Laughing computer programmers testing virtual reality simulator glasses in office — Stock Photo
    Laughing computer programmers testing virtual reality simulator glasses in office
    Computer programmers programming virtual reality simulator glasses in office — Stock Photo
    Computer programmers programming virtual reality simulator glasses in office
    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.
    Ripe orange carrots with tops on plate — Stock Photo
    Ripe orange carrots with tops on plate
    Human embryonic stem cell on pin tip, conceptual digital artwork. — Stock Photo
    Human embryonic stem cell on pin tip, conceptual digital artwork.
    Boy and girl working on school work at home — Stock Photo
    Boy and girl working on school work at home
    Portrait confident female scientist in clean suit studying coronavirus — Stock Photo
    Portrait confident female scientist in clean suit studying coronavirus
    From above of red rose flower with dried leaves and petals placed on table in room — Stock Photo
    From above of red rose flower with dried leaves and petals placed on table in room