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From left to right: the NMDA and AMPA receptors transport calcium cations into neurons after being activated by the neurotransmitter glutamate and the GABA receptor (right) transport chloride anions after the activation by gamma aminobutyrate. PDB entries: 6wht, 3kg2, 6d6u

$The three-dimensional structure of proteins is represented in a variety of conformations. This image is based on the ribbon structure of a protein. It is suitable for biology notebooks and book covers.\nThis image has not been created by AI.$

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

Artificial molecular structure in many colors. Horizontal composition, isolated on white background.

Dna structure on science background. 3d illustration

A ball and stick + ribbons model of beta-secretase - a protein that is important in forming healthy peripheral nerve cells, but is also involved in the onset of Alzheimer's disease.

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

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

Rendered coronavirus/2019-nCoV single-stranded RNA, built from experimentally determined Ebola virus crystal structure. Color symbols - bluewhite=carbon, pink=oxygen, lightblue=nitrogen, white=hydrogen, lavender=phosphorus

Isolated Adenovirus as oncolytic virus for tumor therapy 3d rendering

plant Leaf of Nerium indicum T.S. under light mircoscope with white background

Halofantrine is a drug used to treat malaria. Halofantrine's structure contains a substituted phenanthrene, and is related to the antimalarial drugs quinine and lumefantrine. 3d illustration

Abstract Genetics Disease - 3d rendered image.

3D cartoon and Gaussian surface models, PDB 6gu2, white background

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.

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.

$Antibodies conjugated with drugs at the FC region are designed to attach a drug to the FC region of the antibody. This technology leverages the specificity of antibodies to deliver the drug directly to target cells. As a result, it can enhance the drug's effectiveness and reduce side effects. This approach is particularly promising in cancer treatment and therapies for autoimmune diseases.\n\nThis image was not created by AI.$

Acetyl-CoA, acetyl coenzyme A molecule. Key coenzyme in fatty acid biosynthesis, Krebs cycle, citric acid cycle. Molecular model. 3D rendering. Illustration

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.

Nucleosome structure. Structure of an oligonucleosome, showing the packaging of DNA in chromosomes. 3D illustration.

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.

Nivolumab is an anti-cancer medication used to treat several types of cancer. 3D cartoon and molecular surface model, entity id color scheme, PDB 5ggr, white background

orange: RNA primer; red: RNA template; light blue: proofreading riboexonuclease; mid blue: helicase; dark blue: RNA directed RNA polymerase; violet: non structural proteins (NSPs).

Liver Fluke Section under light microscope with white background

Botulinum toxin (3d structure) which prevents the release of the neurotransmitter acetylcholine from axon endings at the neuromuscular junction. Infection with the bacterium causes botulism.

Infection disease - 3d rendered image. Abstract pathogen scene. Microscopic view. Infection, disease microbiology concept. Fungal, mold, mushroom, spore, yeast, bacteria, yeast image. SEM (TEM) view.

Phytic acid - inositol polyphosphate - phytate when in salt form- a saturated cyclic acid, is the principal storage form of phosphorus in many plant tissues, especially bran and seeds

This computer-generated image vividly illustrates the invasive Group A Streptococcal bacteria, as they would appear under a microscope. This visual representation helps to understand the microscopic world of Group A Streptococcus and its potential to cause serious diseases.

Free Images: "bestof:Allyl,homo,doubly.png en general structure of allylic homoallylic doubly allylic cmpds own Smokefoot 2010-07-07 replaces previous artwork Chemistry nomenclature"

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Allylradical Structural Formulae V.1.svg

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