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Aspergillus (mold) for Microbiology in Lab.

Microscopic photo of a thin section of calcareous tufa of Holocene age.

anaplastic thyroid carcinoma with heterologous differentiation (leiomyosarcoma)

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

Photomicrograph of two rotifers. Rapidly rotating cilia at top of heads, internal organs visible. Live specimen. Wet mount, 10X objective, transmitted brightfield illumination.

Microalgae under microscopic view, green algae, cyanobacteria, phytoplankton, diatom, algae mix collage background

The 12 constellations of the zodiac drawn on an old paper.

Host cells with spores (mold) are inside wood under the microscope for education.

DNA Helix - 3d rendered image. Genetic research concept. Complex spiral structure illustration. Medical, science, genetic biotechnology, gene cell, chromosome idea. DNA strands on dark background . Science nanotechnology.

Leptospira is a spiral bacterium that causes leptospirosis. 3D illustration

Different germs in the human intestines called microbiome,Bacteria Lactobacillus in human intestine,Beneficial healthy intestinal bacterium microflora,Gut bacteria

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

Liver Fluke Section under light microscope with white background

Chain of amino acid or bio molecules called protein - 3d illustration

$Bruntál, Czech Republic - January 11, 2023: Waste sorting bin placed at the train station in the town of Bruntál.\nThis image was taken with a mobile phone.$

Prostaglandin D2 or PGD2 is a prostaglandin that binds to the receptor PTGDR as well as CRTH2. 3d illustration

A ball-and-stick molecular model of the hormone Orexin, also known as Hypocretin. Orexin is involved in the regulation of the sleep/wake cycle and it stimulates apetite, wakefulness and energy expenditure. It has been linked with Alzheimer's disease. Isolated on white.

3D cartoon and Gaussian surface models, chain id color scheme, PDB 1qr6, white background

Photomicrograph of algae, Cosmarium turpinii, a desmid. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination.

$Model of DNA Base Pair adenine (A) and thymine (T)\n\nFind more molecules in the Lightbox [url=http://www.istockphoto.com/search/lightbox/7500191][i] 'World of Molecules'[/i][/url], or contact me on customized design/rendering of any molecules in 3D (see some examples below). \n\n[img]http://www.drugmodel.com/360/superglassy900.jpg[/img] \n[img]http://www.drugmodel.com/360/capsule900.jpg[/img] \n[img]http://www.drugmodel.com/360/glassy900.jpg[/img] \n[img]http://www.drugmodel.com/360/heart900.jpg[/img] \n[img]http://www.drugmodel.com/360/viruskiller900.jpg[/img] \n[img]http://www.drugmodel.com/360/mesh900.jpg[/img] \n[img]http://www.drugmodel.com/360/cartoon900.jpg[/img] \n[img]http://www.drugmodel.com/360/photo900.jpg[/img] \n[img]http://www.drugmodel.com/360/ovoid900.jpg[/img] \n[img]http://www.drugmodel.com/360/swirlcone900.jpg[/img] \n[img]http://www.drugmodel.com/360/super900.jpg[/img] \n[img]http://www.drugmodel.com/360/glowing900.jpg[/img]$

Probiotics, bacteria on white background. Bacteria and microorganisms. Microscopic probiotics, bacterial flora

Zearalenone or ZEN or RAL is a potent estrogenic metabolite. 3d illustration

$The polyps of this soft coral are extended, as they are feeding. It is an Ellisella species, probably Ellisella robusta. \nThe photo was taken in daytime with f/25 and strong strobe light to get a black background. \nTriton Bay, Kaimana Regency, Indonesia, 3°54'15.6068 S 134°6'47.1379 E at 9m depth$

Transmission electron microscope (TEM) micrograph showing dark melanin granules in a melanocyte (top center) and in several keratinocytes, which, unlike melanocytes, have bundles of keratin filaments

Amazing Colorful Agate Crystal stone cross texture background.

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Emulsion polymerization mechanisms-fr.svg

304 Piridina sostituzione elettrofila.png

Coniugazione pigreco (piridina-benzene).png

Pyridine electrophilic aromatic substitution.png

Substitutive-and-additive-derivation-of-1,2-dichloroethane.png