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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.

Close up of cristal beads

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

A ball and stick model of Dopamine. It is a neurotransmitter affecting behaviour, sleep, learning, perception of pain, mood and motivation.

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

Inside protein molecule

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

Freshness capsule

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

Liver Fluke Section under light microscope with white background

Foods Highest in Potassium, 3D rendering isolated on white background

Plant seedlings growing in the sun. Home gardening.

Focus on chemical element Potassium illuminated in periodic table of elements. 3D rendering

Green quartz crystal isolated on the white background.

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.

Microcrystalline wax with chemical formula on white laboratory table.

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

Structural model of Benzene molecule

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

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.

Products containing Copper, Cu. 3D rendering isolated on white background

Periodic table detail for the elements Potassium and Calcium. Image uses an altered public domain periodic table as the source document. Part of a series covering all the elements

Glucose-6-phosphate dehydrogenase (G6PD) protein. Enzyme of the pentose phosphate pathway that generates co-enzyme NADPH. 3D illustration.

Zeolite crystals in cavities of Igneous volcanic basalt rock

Microcrystalline wax with chemical formula on white laboratory table. Top view

Barite on fluoride

Foods Highest in Vitamin B9, Folic Acid. 3D rendering isolated on white background

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.

3D cartoon and Gaussian surface models, PDB 2gjx, white background

The rhubarb is braid.

Free Images: "bestof:Potassium nitrate structure.png chemical structure of potassium nitrate Own 14 56 9 April 2008 UTC Edgar181 Potassium nitrate"

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Phenylmercuric nitrate.svg

Potassium lauryl sulfate.svg

Dipotassium cyclooctatetraenide.svg

Potassium nitrate structure.svg

Potassium cobaltinitrite.svg

Potassium trispyrazolylborate.svg

$Potassium salicylate.svg$

Potassium dithionite.svg

Volixibat potassium.svg

Potassium lactate.svg

Potassium bisulfite.svg

Chromium nitrate.svg

L-potassium lactate.svg

Tripotassium phosphate.svg

Coibamide A.svg

Flexuosol A.svg

Acetamide skeletal.svg

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