Chloroplasts Collection

Cell types, artwork
Cell types. Cutaway artwork with a scale bar (upper right, in micrometres) showing the relative sizes of eukaryotic cells (those containing a nucleus) and prokaryotic cells (those lacking a nucleus)

Chloroplast in cell of pea plant
Coloured transmisson electron micrograph of a chloroplast (green) sitting in the cytoplasm of a pea plant Pisum sativum. The chloroplast is the site of photosynthesis where carbohydrates are obtained

Tomato leaf, light micrograph
Tomato leaf. Light micrograph of a transverse section through the midrib of a tomato (Lycopersicum esculentum) leaf. The upper and lower epidermis on the surfaces of the leaf are blue

Diatom, light micrograph C014 / 4673
Diatom. Differential interference contrast micrograph of a Gyrosigma sp. diatom. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Spirogyra algae, light micrograph C016 / 9592
Spirogyra algae. Polarised light micrograph of Spirogyra sp. algae. This filamentous green algae is named for the spiral arrangement of its chloroplasts (green)

Spirogyra algae, light micrograph C016 / 9594
Spirogyra algae. Rheinberg illuminated light micrograph of Spirogyra sp. algae. This filamentous green algae is named for the spiral arrangement of its chloroplasts (green)

Desmids and spirogyra, light micrograph C016 / 9595
Desmids and spirogyra. Polarised light micrograph of two Micrasterias rotata desmids (round) and a single filament of Spirogyra sp. green alga (lower right)

Spirogyra algae, light micrograph C016 / 9593
Spirogyra algae. Polarised light micrograph of Spirogyra sp. algae. This filamentous green algae is named for the spiral arrangement of its chloroplasts (green)

Diatoms, light micrograph C014 / 4675
Diatoms. Differential interference contrast micrograph of a group of Meridion circulare diatoms. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Diatom, light micrograph C014 / 4677
Diatom. Differential interference contrast micrograph of a Campylodiscus sp. diatom. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Green hydra, light micrograph C014 / 4680
Green hydra. Darkfield illuminated light micrograph of the tentacled head of a green hydra (Hydra viridis). Hydra are small simple predatory fresh-water animals, belonging to the phylum Cnidaria

Green algae, light micrograph C014 / 4670
Green algae. Differential interference contrast micrograph of a single green alga, showing the chloroplast (green) inside. Algae use the chloroplasts to produce food through photosynthesis

Diatoms, light micrograph C014 / 4671
Diatoms. Differential interference contrast micrograph of a group of Achnantes longipes diatoms. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Green hydra, light micrograph C014 / 4681
Green hydra. Darkfield illuminated light micrograph of a green hydra (Hydra viridis), showing its tentacled head. Hydra are small simple predatory fresh-water animals

Diatom, light micrograph C014 / 4669
Diatom. Differential interference contrast micrograph of an Achnantes longipes diatom. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Diatoms, light micrograph C014 / 4668
Diatoms. Differential interference contrast micrograph of a group of Achnantes longipes diatoms. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Diatoms, light micrograph C014 / 4674
Diatoms. Differential interference contrast micrograph of a group of Achnantes longipes diatoms. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Green hydra, light micrograph C014 / 4678
Green hydra. Light micrograph of the tentacled head of a green hydra (Hydra viridis). Hydra are small simple predatory fresh-water animals, belonging to the phylum Cnidaria

Green hydra, light micrograph C014 / 4679
Green hydra. Darkfield illuminated light micrograph of a green hydra (Hydra viridis), showing its tentacled head. Hydra are small simple predatory fresh-water animals

Canadian pondweed leaf, light micrograph
Canadian pondweed leaf. Light micrograph of a section through the leaf of a Canadian pondweed (Elodea canadensis) plant, showing the cells (squares)

Sphagnum moss cells, light micrograph
Sphagnum moss cells. Polarised light micrograph of a section through cells from Sphagnum sp. moss. Magnification: x400 when printed 10 centimetres wide

Moss cells, light micrograph
Moss cells, polarised light micrograph. Magnification: x400 when printed 10 centimetres wide

Plant protoplast, fluorescent micrograph
Protoplast. Confocal laser scanning micrograph of a tobacco plant (Nicotiana tabacum) protoplast. A protoplast is a plant cell that has had its tough outer cell wall removed by chemical treatment

Plant trichome, fluorescent micrograph
Plant trichome. Confocal laser scanning micrograph of a trichome (leaf hair) on a Arabidopsis thaliana plant. Actin filaments in the trichome are green

Green algae colonies. Light micrograph of green algae colonies (Volvox sp.). These colonies are made up of approximately 500 individual flagellate cells, arranged in a glycoprotein filled sphere

Common rush stem, light micrograph
Common rush stem. Light micrograph of a section through the stem of a common rush (Juncus conglomeratus) plant, showing stellate cells

Sharp rush stem, light micrograph
Sharp rush stem. Light micrograph of a section through the stem of a sharp rush (Juncus acutus) plant. This arid-adapted plant (xerophyte) has scattered vascular bundles

Ammophila arenaria leaf, light micrograph
Ammophila arenaria leaf. Polarised light micrograph of a section through a marram grass (Ammophila arenaria) leaf, showing the characteristics that help reduce water loss

Chloroplasts, light micrograph. Chloroplasts are one of the features that distinguish a plant cell from an animal cell. They contain chlorophyll

Horse-chestnut leaf, light micrograph
Horse-chestnut leaf. Light micrograph of a section through a leaf from a horse-chestnut, or conker, tree (Aesculus hippocastanum)

Bean pod, light micrograph
Bean pod. Light micrograph of a section through the seed pod of a bean (Phaseolus sp.) plant. The pericarp (outer covering)

Sweet pea stem, light micrograph
Sweet pea stem. Light micrograph of a section through the hollow stem of a sweet pea (Lathyrus odoratus) plant, showing a ring of vascular bundles

Shining hookeria moss, light micrograph
Shining Hookeria moss. Dark field light micrograph of a section through shining hookeria (Hookeria luscens) moss, showing the stem and leaves

Horse-tail stem, light micrograph
Rice grass stem. Light micrograph of a section through a rice grass stem (Oryza sativa). Vascular bundles (small oval structures) can be seen containing xylem (larger openings)

Liverwort shoot, light micrograph
Liverwort shoot. Light micrograph of the shoot of a leafy liverwort (Lophocolea cuspidata) growing on the surface of a rotten tree stump

Liverwort leaf tissue, light micrograph
Liverwort leaf tissue. Light micrograph of the bifurcated tip of a leaf from a leafy liverwort (Lophocolea cuspidata). These leaves are extremely thin

Chloroplast structures, artwork
Chloroplast structures. Cutaway artwork showing the internal structure of a chloroplast, the organelle in plant cells responsible for photosynthesis

Plant cell, SEM
Plant cell. Coloured scanning electron micrograph (SEM) of a section through a plant cell, revealing its internal structure. The cell is encased in a cellulose, hemicellulose and pectin cell wall

Leaf section, SEM
Leaf section. Coloured scanning electron micrograph (SEM) of a section through a fractured leaf. At top is a single layer of cells that forms the epidermis of the leaf

Tea leaf, light micrograph
Tea leaf. Light micrograph of a cross-section through a tea (Camellia sinensis) leaf. The upper and lower epidermis on the surfaces of the leaf are blue

Plant stoma, light micrograph
Plant stoma. Light micrograph of a stomatal pore (centre) on the surface of a stinging nettle (Urtica dioica) leaf. The stomata are gaps (white) within two guard cells (kidney-shaped)

Sunflower leaf, light micrograph
Sunflower leaf. Light micrograph of a transverse section through the midrib of a sunflower (Helianthus annuus) leaf. The upper and lower epidermis on the surfaces of the leaf are blue

Beech leaves, light micrograph
Beech leaves. Light micrograph of a transverse section through two beech leaves (Fagus sylvatica). The shapes of the two leaves are different because the bottom leaf is constantly exposed to bright

Ginger leaf, light micrograph
Ginger leaf. Light micrograph of a transverse section through the midrib of a ginger (Zingiber officinale) leaf. The lower and upper epidermis (blue)

Dividing chloroplast in a pea leaf
False colour transmission electron micrograph of a dividing chloroplast in the leaf of the pea plant, Pisum sativum, showing the central area constricting to partition the cell into two daughter

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Chloroplasts: The Artistry of Nature's Green Machines Cell types come alive through the intricate artwork of chloroplasts. These tiny, green powerhouses can be found in various plant cells, each contributing to the beauty and functionality of nature's creations. In the cell of a vibrant pea plant, chloroplasts dance with sunlight, capturing its energy for photosynthesis. Their presence gives life to every leaf and fuels growth throughout the plant kingdom. Take a closer look at a tomato leaf under a light micrograph, and you'll witness an enchanting display. Chloroplasts stand out like emerald gems against a backdrop of cellular intricacies, showcasing their importance in converting light into chemical energy. But it doesn't stop there – diatoms reveal their own mesmerizing patterns when viewed under another light micrograph. These microscopic algae showcase chloroplasts that resemble delicate lacework or ornate stained glass windows. Each diatom is adorned with these green organelles that enable them to thrive in aquatic environments. Spirogyra algae also join this artistic spectacle with their spiral-shaped cells containing numerous chloroplasts. Light micrographs capture these organisms as if they were brushstrokes on canvas – vibrant greens intertwining harmoniously within each spirogyra filament. The collaboration between desmids and spirogyra creates yet another masterpiece under the lens of a light micrograph. Here we see an exquisite tapestry where chloroplast-filled cells form intricate patterns reminiscent of Celtic knots or mandalas – proof that even at microscopic levels, nature never ceases to amaze us. Diatoms make another appearance on this visual journey; their unique shapes are accentuated by countless chloroplasts scattered across their silica shells. Like miniature forests captured within glass walls, these diatoms demonstrate how artistry exists even in seemingly simple organisms. Green hydra showcases its elegance as well when observed through a microscope lens. Its translucent body reveals chloroplasts, which provide energy for this remarkable creature.