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Bacterial multidrug efflux pumps (E-CmeB) expel antibiotics  from inside the bacterium (bottom): ciprofloxacin (yellow), chloramphenicol (violet),  ampicillin (red).
A ball and stick model of Human Insulin. Isolated on black.
Karlsruhe, Baden-Wuerttemberg,Germany – October 13, 2013: This dictionary is very famous and used by brazilians learners of German language.This version (Portuguese - German) of the German brand Langenscheidt stands on a white background. The photo was photographed in a studio setting.
Endosomes - 3d rendered image of Endosomes are membrane-bound organelles. They are parts of endocytic membrane transport pathway.  Endomembrane system in cells. Bilayer Lipid Membrane. Abstract medical illustration. Microscopic view. Microbiologic research concept.
Squalane is a hydrocarbon derived by hydrogenation of squalene. 3d illustration
Fragment of uranium or yellow cake
Nourish hair of shampoo or serum. Repair damaged hair concept, 3d rendering.
Food supplement capsules with oil - vitamin A
The rice has gone bad and the fungi on the rice,put on the white background.
Structural model of Benzene molecule
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.
Bright Islands of the Ionian Sea, white stones and azure water
3D cartoon and Gaussian surface models, PDB 6gu2, white background
3D rendering of microscopic particles and bubbles
A molecular model of Bisphenol A or BPA.  It is a common building block in the production of many epoxy resins and plastics including polycarbonate plastic. As such it is present in a huge range of food packaging and household products. There are now concerns about its health effects, particularly its effect on children, infants and fetuses.   Isolated on white.
Biological protein and molecule, 3d rendering. 3D illustration.
Neohalicholactone is unusual fatty acid metabolites having a cyclopropane ring and a nine-membered lactone. 3d illustration
crystaline Barite or Barytes mineral sample- clear or translucent dense mineral collected from the UK
Breast Cross Section of Fat .
Inside protein molecule
The glucagon like peptide-1 receptor (GLPr) is a G proteincoupled receptor (GPCR) that mediates the action of GLP-1, a peptide hormone. The activated receptor  has a strong effect  on the management of type 2 diabetes mellitus and obesity, including glucose homeostasis and regulation of gastric motility and food intake.
3d Molecular StructurePlease see some similar pictures from my portfolio:
3D cartoon and Gaussian surface models, chain id color scheme, PDB 2y73, white background
Pills in blister packs - white background
Skin cell background with cosmetics concept, 3d rendering. 3D illustration.
Turmeric Capsules
A ball and stick model of a Polytetrafluoroethylene molecule, also known as PTFE or most commonly Teflon. It is a polymer consisting of only carbon and fluorine atoms. It is used as a non-stick coating for cookware, as a lubricant, and it is also used to contain highly reactive chemicals as it is extremely non-reactive.
Organic Carnauba Wax in Chemical Watch Glass with molecular structure place next to beaker and \nPlatycerium stemaria fern. Chemical ingredient used in cosmetic industry.
Main mutation site of the coronavirus variant B.1.531 emerged in South Africa. The spike protein (red) is bound to the angiotensin converting enzyme 2 (blue). The mutation is at the amino acid position 484 (yellow). Source: PDB entry 6cs2.
Magnified close up of an igneous rock with metallic minerals in the cracks.
Free Images: "bestof:Carboxymethyl hydroxyethyl cellulose.png en Chemical structure of carboxymethyl hydroxy-ethyl cellulose exhibiting a DS carboxymethyl of 0 5 andan MS"
Kainic acid 200.svg
Cellulose derivatives.svg
Nitrilotriacetic acid 200.svg
Cellulose nitrate.svg
Dasatinib 200.svg
Dipyridamole 200.svg
SLNSW 27121 Chemical equipment.jpg
SLNSW 44179 Southern creepercrane moves forward on first ramps before superstructure begins.jpg
Carboxymethyl hydroxyethyl cellulose.png
Carboxymethyl cellulose.png
Hydroxyethyl cellulose.png
Ethyl hydroxyethyl cellulose.png
Hydroxypropyl cellulose.png
Ethyl cellulose.png
Methyl cellulose.png
Cellulose triacetate.png
Cellulose sulfate.png
Hypromellose.png
Diethylaminoethylcellulose.png
Reactive dyes.png
RFV reactor photograph.jpg
Cellulose-Ibeta-from-xtal-2002-3D-balls.png
Cellulose-Ibeta-from-xtal-2002-3D-vdW.png
Borirane 3D molecule.png
Meth-ox-prop-cell.jpg
Cellulase 1JS4.jpg
Mifepristona3D.png
Levonorgestrel3D.png
Etinilestradiol3D.png
Valproato Sódico.png
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