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    Biotechnology engineer inspecting cell culture flask. — Stock Photo
    Biotechnology engineer inspecting cell culture flask.
    Colored scanning electron micrograph of human mesenchymal stem cell. — Stock Photo
    Colored scanning electron micrograph of human mesenchymal stem cell.
    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
    Restaurant table set for guests — Stock Photo
    Restaurant table set for guests
    Pieces of fresh green Aloe Vera with white flesh in glass bowl — Stock Photo
    Pieces of fresh green Aloe Vera with white flesh in glass bowl
    Woody stem section. Coloured scanning electron micrograph (SEM) of a transverse section through the stem of a woody plant. The majority of tissue seen here is secondary xylem (dark brown) — Stock Photo
    Woody stem section. Coloured scanning electron micrograph (SEM) of a transverse section through the stem of a woody plant. The majority of tissue seen here is secondary xylem (dark brown)
    Hand of teacher pointing to molecular structure on projection screen — Stock Photo
    Hand of teacher pointing to molecular structure on projection screen
    Male teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher and students conducting scientific experiment in laboratory classroom
    Close-up of camouflaged caterpillar on dried stem of wild plant. — Stock Photo
    Close-up of camouflaged caterpillar on dried stem of wild plant.
    Closeup view of two empty Champagne glasses — Stock Photo
    Closeup view of two empty Champagne glasses
    Connoisseur smelling glass of wine — Stock Photo
    Connoisseur smelling glass of wine
    Young man working on land — Stock Photo
    Young man working on land
    Close-up of land snail on wild plant stem. — Stock Photo
    Close-up of land snail on wild plant stem.
    Yellow buttercup flower — Stock Photo
    Yellow buttercup flower
    Student in wheelchair examining fuel control valves on furnace in HVAC classroom — Stock Photo
    Student in wheelchair examining fuel control valves on furnace in HVAC classroom
    Green seedling of houseplant placed in glass bottle with water on wooden shelf near white wall in kitchen — Stock Photo
    Green seedling of houseplant placed in glass bottle with water on wooden shelf near white wall in kitchen
    Glasses filled with colorful liquids on concrete surface in bright sunlight — Stock Photo
    Glasses filled with colorful liquids on concrete surface in bright sunlight
    Mid section of woman cutting stem of flower at home — Stock Photo
    Mid section of woman cutting stem of flower at home
    Bag containing donated human blood, placenta and umbilical cord. — Stock Photo
    Bag containing donated human blood, placenta and umbilical cord.
    Computer programmers and designers working in office — Stock Photo
    Computer programmers and designers working in office
    Colored scanning electron micrograph of human mesenchymal stem cell. — Stock Photo
    Colored scanning electron micrograph of human mesenchymal stem cell.
    Close-up on grey fluffy dandelion blossom — Stock Photo
    Close-up on grey fluffy dandelion blossom
    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.
    Sommelier evaluating quality of glass of wine — Stock Photo
    Sommelier evaluating quality of glass of wine
    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
    Field harvesting on the fields — Stock Photo
    Field harvesting on the fields
    From above delicate green thin plant on body of crop unrecognizable person on sunny day — Stock Photo
    From above delicate green thin plant on body of crop unrecognizable person on sunny day
    From above of prickly cacti with spiky stems growing in pots in botanical garden — Stock Photo
    From above of prickly cacti with spiky stems growing in pots in botanical garden
    Organic red stalk chard — Stock Photo
    Organic red stalk chard
    Scenic view of coniferous tree branch with curved stems and green needles growing in woods — Stock Photo
    Scenic view of coniferous tree branch with curved stems and green needles growing in woods
    Illustration of beige stem cell on black background. — Stock Photo
    Illustration of beige stem cell on black background.
    Student in wheelchair examining furnace ignitor in HVAC classroom — Stock Photo
    Student in wheelchair examining furnace ignitor in HVAC classroom
    Curing green grasshopper sitting on delicate dark red plant leaf on blurred wild nature background — Stock Photo
    Curing green grasshopper sitting on delicate dark red plant leaf on blurred wild nature background
    Computer programmers testing virtual reality simulator glasses at computer in office — Stock Photo
    Computer programmers testing virtual reality simulator glasses at computer in office
    Male designer at whiteboard leading conference room meeting — Stock Photo
    Male designer at whiteboard leading conference room meeting
    Snowdrop white flower — Stock Photo
    Snowdrop white flower
    Illustration of pink stem cell on black background. — Stock Photo
    Illustration of pink stem cell on black background.
    Close-up shot of delicious Rainbow chard — Stock Photo
    Close-up shot of delicious Rainbow chard
    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.
    Girl holding a dandelion clock seedhead — Stock Photo
    Girl holding a dandelion clock seedhead
    Rustic wooden box with glass vases and plants — Stock Photo
    Rustic wooden box with glass vases and plants
    Cute boy and girl drawing at home — Stock Photo
    Cute boy and girl drawing at home
    Woman holding stem glasses and smiling in modern apartment — Stock Photo
    Woman holding stem glasses and smiling in modern apartment
    Mid section of female florist arranging flowers in a bottle at her flower shop — Stock Photo
    Mid section of female florist arranging flowers in a bottle at her flower shop
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Raw buna shimeji with curved stems and rounded white caps on rugged gray surface — Stock Photo
    Raw buna shimeji with curved stems and rounded white caps on rugged gray surface
    Artichoke flower head — Stock Photo
    Artichoke flower head
    Focused junior high girl student using computer in computer lab — Stock Photo
    Focused junior high girl student using computer in computer lab
    Child handing flower — Stock Photo
    Child handing flower
    Row of elegant shiny glasses standing on wooden table in wine cellar with wine bottles on shelves on background — Stock Photo
    Row of elegant shiny glasses standing on wooden table in wine cellar with wine bottles on shelves on background
    Sincere child in gardening apron with watering pot and looking away against Alocasia in balcony while watering — Stock Photo
    Sincere child in gardening apron with watering pot and looking away against Alocasia in balcony while watering
    Dry trees with sticking roots in mountain valley in sunny day — Stock Photo
    Dry trees with sticking roots in mountain valley in sunny day
    Girl student using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl student using microscope, conducting scientific experiment in laboratory classroom
    Junior high students and teachers using computers in computer lab — Stock Photo
    Junior high students and teachers using computers in computer lab
    Portrait smiling, confident girl student next to DNA model in classroom — Stock Photo
    Portrait smiling, confident girl student next to DNA model in classroom
    From above bright red appetizing cherries with stems on pink background — Stock Photo
    From above bright red appetizing cherries with stems on pink background
    Close-up of technician storing stem cell samples in cryostorage. — Stock Photo
    Close-up of technician storing stem cell samples in cryostorage.
    Sour cherry with stem and leaves — Stock Photo
    Sour cherry with stem and leaves
    Boy students examining liquid in test tube, conducting scientific experiment in laboratory classroom — Stock Photo
    Boy students examining liquid in test tube, conducting scientific experiment in laboratory classroom
    Ice Cream Sundae with Berry Sauce — Stock Photo
    Ice Cream Sundae with Berry Sauce