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

Close-up shot of a petri dish for checking an antibiotic in the laboratory.

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

Molecular model of amylose, one of the two sugar components in starch.

$Organic Carnauba Wax in Chemical Watch Glass with molecular structure place next to beaker and \nPlatycerium stemaria fern. Chemical ingredient used in cosmetic industry.$

Photomicrograph of filamentous blue-green algae, Oscillatoria species. Each band along the stand is one cell. This filament is very short probably having recently parted from a longer one. Filaments are typically many times longer. This algae is mobile, it moves and twists through the water. San Francisco Bay, California, USA. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination. Note - motion blur of live specimen, very shallow depth of field, chromatic aberration and uneven focus are inherent in light microscopy.

Folic acid, folate molecule. It is known as vitamin B9. Molecular model. 3D rendering. Illustration

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

Vitamin D Capsule with D3 Element. Dietary Supplements. 3D Render

Diagnosis - Polio. Medical concept with pills, injection, stethoscope, cardiogram and a syringe

Liver Fluke Section under light microscope with white background

Honeycomb with honey on petri dish over white background

MIRIN, japanese sweet sake, seasoning, japanese cooking wine, and raw materials of MIRIN

$Streptococcus pneumoniae causes acute bacterial infections. Streptococcus pneumonia can be\ndifferentiated from other alpha-hemolytic streptococci\nbased on its susceptibility to optochin ( the disk is visible on the pic).$

Vitamin Coenzyme Q10 with chemical formula on a pink background. To prevent aging. Pills and medicine

Microcrystalline wax with chemical formula on white laboratory table.

Chain or ribbon diatom, a type of algae.

Capsules with selenium Se, dietary supplement. 3D rendering isolated on white background

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.

Isolated minoxidil chemical molecule structure in the white background 3d rendering

Prednisone is a glucocorticoid medication mostly used to suppress the immune system and decrease inflammation in conditions such as asthma, COPD, and rheumatologic diseases.

$What micro plastic is made of - Chemical ingredients.\nClose up of microplastic on finger concept of water pollution and global warming$

$Bottle with pipette and chemical formula with text \$

The words pediatrics are spelled out on a white background in wooden letters. Next to it is a child's xylophone, wooden blocks, an abacus, and a stethoscope, all on a white background.

Calcium carbonate chip in chemical watch glass with molecular structure on white laboratory table. Top view

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Kaldari Zygoballus rufipes female 02.jpg

Megaloceros giganteus Paris 25 05 2013 01.jpg

Spanische Hofreitschule Wien Vienna Winter riding manege 1.jpg

Structures roofs St Stephen's cathedral Vienna modifié-2.jpg

Winter manege Spanish Riding School Vienna.jpg

Base to place the flag of Venezuela as a shield.jpg

Loantaka Way NJ bike trail with woods and leaves and brush early autumn.JPG

Statue philosophe assis Gortyn Crete.jpg

CoA Archdukes of Austria Pestsäule Vienna.jpg

Detail façade neues Rathaus Vienna night.jpg

Spanische Hofreitschule Vienna entrance Hofburg.jpg

Old House fruit seller from Valencia.jpg

Harbour snowy mountains Rethymno Crete Greece.jpg

Bronze singing angels gate Cathedral Florence.jpg

Replica Michelangelo's David black background.jpg

Joseph II. Statue Franz Anton Zauner Josefsplatz Vienna.jpg

Detail statue François Ier Autriche Olivier Vienne.jpg

Boutique 19 Münsterplatz, Aachen, Germany.jpg

Marianische Männerkongregation Munich.jpg

Tour Saint Nicolas old harbor La Rochelle.jpg

Corinthian capital over concretions Pompeii.jpg

Balcon des scientifiques Prunksaal Gran Vienne.jpg

Column capital, Throne room Knossos Palace.jpg

Capital pigeons Agios Marcos basilica Heraklion.jpg

Γενέσιο του Προδρόμου (1670) 7692 croped.jpg

Spanish Riding School arena Vienna detail.jpg

Statue Charles VI Prunksaal P P Strudel.jpg

Steffl spire St Stephen's cathedral Vienna.jpg

Church Saint Peter Saint Paul, inside, Oberammergau, Bavaria, Germany.jpg

Cenotaph Ludwig des Bayern Cathedral Munich.jpg

Minoan era post palatial period recipient archmus Heraklion.jpg

Plaque de Gaulle Courseulles Normandie.jpg

Amalienburg clock tower sundial Hofburg Vienna.jpg

Plaque Joseph gate paradise Florence Baptistery.jpg

Johann Anton Graf von Pergen 1725-1814 Vienna.jpg

Virgen de los Reyes 1 Cathedral Seville Spain.jpg

Young female mummy from near Lupo, Peruvian Andes, about 550 years old - San Diego Museum of Man - DSC06926.JPG