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B-chain pentamer and A-chain subunit (green), 3D cartoon and Gaussian surface model, white background

geranium leaf under microscope showing trichomes - optical microscope x200 magnification

Aerial view of loyster farm by Ardara, County Donegal - Ireland.

Chain or ribbon diatom, a type of algae.

Bacterial multidrug efflux pumps (E-CmeB) expel antibiotics from inside the bacterium (bottom): ciprofloxacin (yellow), chloramphenicol (violet), ampicillin (red).

plant Pumpkin ovary under light mircoscope with white background

the color green, associated with nature, life, health and hope

$Phospholipid bilayer membrane structures that make up living cells and their contents. This is an image of membrane proteins in the membrane.\nThis image, which looks like a plastic model, evokes biology and biochemistry. It can be used as a cover for magazines, textbooks and presentation materials.\nThis image was not created by AI.$

Brain-derived neurotrophic factor and Neurotrophin-4, NT-3 are neurotrophic factors in the NGF (Nerve Growth Factor) family of neurotrophins. 3D cartoon and Gaussian surface models with differently colored chains, white background.

Striatella unipunctata is a species of diatom in the family Striatellaceae

Set gemstones crystal minerals for relaxation and meditation. Energy healing minerals. Witchcraft, Crystal Ritual, Relaxing Chakra, aura readings. Flat lay, top view

Chemical formula of Testosterone on a blackboard

$Close-up shooting of a green agate stone mineral surface isolated on white background. Its a macro shot shows nature beautiful details with back lit. Agate is a kind of natural gemstone. Abstract pattern. Good for Wallpaper texture background. Turquoise, green\n\n.$

After dopamine binding, the dopamine receptor changes his shape and binds the inactive G protein.The G protein expels its GDP molecule replacing it by GTP. and falls into two pieces. The Galpha subunit binds to and activates the enzyme adenylyl cyclase, which produces then cyclic AMP spreading a signal through the cell.

3D cartoon and Gaussian surface models, chain id color scheme, PDB 7t3a, white background

Squalane is a hydrocarbon derived by hydrogenation of squalene. 3d illustration

A molecular model of the flavonoid Quercetin. An antioxidant and anti-inflamatory, it is used as a nutritional suplement. It is commonly found in many fruits and vegetables and is a significant chemical component of tea. Isolated on white.

Copper(II) sulfate with molecular structure. Chemical ingredient used in medical and public health issues.

Green illuminate glitter bokeh for background for concept and more idea for creative

several hexagonal wooden plates on a green background

Delta endotoxins (δ-endotoxins) are pore-forming toxins produced by Bacillus thuringiensis species of bacteria. They are useful for their insecticidal action and are the primary toxin produced by Bt corn. 3D cartoon and Gaussian surface models, chain instance color scheme, based on PDB 4d8m, white background.

Cell structure Hydrilla, view of the leaf surface showing plant cells under the microscope for classroom education.

Fresh green leafy plants grow in clear glass bottles

Free Images: "bestof:Monovinyl Protochlorophyllide.svg en Monovinyl Protochlorophyllide chlorophyll a precursor de Monovinyl-Protochlorophyllid Vorläufer des Chlorophyll a Own"

Ilex aquifolium L. "Madame Briot" JdP.jpg

Dipsacus laciniatus L. Cardère découpée JdP.jpg

Tête triton fontaine fleuves concorde.jpg

Ecole Nationale des Chartes entrée Sorbonne Paris.jpg

Incendie hôtel Lambert dédoubleur tuyaux pompiers.jpg

Nandou Rhea americana JdP Paris 22septembre2013.jpg

CoA franciscan Order, Miranda de Ebro, Spain.jpg

1872 building Greyfriars Abbey Odense Denmark.jpg

Saint Louis des Invalides Eglise du Dôme de nuit by night.jpg

Fontaine des Mers Concorde detail top.jpg

Patio de los Arrayanes Alhambra Granada Spain.jpg

Door patio de los arrayanes Alhambra Granada Spain.jpg

Giralda roof cathedral Seville Spain.jpg

Cathedral & Capilla Real Granada Spain.jpg

Statue Chasseur crocodile Arthur Bourgeois 1886 JdP Paris 22septembre2013.jpg

Landscape in Alhama de Granada, Andalusia, Spain.jpg

Two caryatids Erechtheum Acropolis Athens Greece.jpg

Petalii archipelago Marmari Euboea Greece.jpg

Entrance Hald Slot Viborg Commune Denmark.jpg

Four Caryatids erechtheum Acropolis Athens.jpg

Gråbrødre kloster entrance Odense Denmark.jpg

Naturhistorisches Museum, Wien - Blick von der Westseite des KHM-9853.jpg

Naturhistorisches Museum, Wien - Blick von der Westseite des KHM-9854.jpg

Alcazar de los reyes cristianos gardens Cordoba.jpg

Metasequoia glyptostroboides Hu & Cheng JdP.jpg

Porte bronze cathedrale saint louis des invalides.jpg

Colonne Palais Nasrides Alhambra Grenade.jpg