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Table showing the diagrammatic formulae and structure of a variety of amino acids showing the position of the amino and carboxylic acid groups within the organic compound

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

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

DNA, Adenine, Cytosine, Guanine, Laboratory

DNA mutation, a mutation is a change in a DNA sequence, mutations can result from DNA copying mistakes made during cell division.

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

Science background with molecule or atom

Molecular model of insulin hormone, 3D illustration. It is produced by pancreas and takes part in glucose and lipid metabolism

3D rendered part of a DNA chain on a black background with a copy space for scientific designs

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

3d Rendering Molecular Structure,Ozone,Hydrogen and oxygen

3D cartoon and Gaussian surface models, PDB 5fwk, white background

3d structure of Masitinib, a tyrosine-kinase inhibitor used in the treatment of mast cell tumors in animals, specifically dogs.

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.

Chemical formula of ATP on a futuristic background

Hyaluronan, hyaluronic acid, HA, hyaluronate molecule, short fragment. Molecular model. 3D rendering. Illustration

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.

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

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

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

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.

3d Render Transparent Molecule on Gradient Green Background, Science and Medicine Concept, (Depth Of Field)

Free Images: "bestof:Aminosäure allgemein.svg Allgemeine Struktur von Aminosäurenen general structure of amino acids own 2007-01-25 NEUROtiker Alpha-amino acids"

1-aminocyclopropanecarboxylic acid 200.svg

Peroxodiphosphorsäure - Peroxodiphosphoric acid.svg

Peroxophosphorsäure - Peroxophosphoric acid.svg

3-amino-2,5-dichlorobenzoic acid 200.svg

(S)-3-acetoxy-2-aminopropanoic acid 200.svg

1-Aminocyclopropane-1-carboxylic acid.svg

1-oxopropane-1,2,3-tricarboxylic acid 200.svg