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Glutamine is an α-amino acid that is used in the biosynthesis of proteins. Its side chain is similar to that of glutamic acid, except the carboxylic acid group is replaced by an amide. It is classified as a charge-neutral, polar amino acid. 3D ball-and-stick model, white background
Close-up shot of a petri dish for checking an antibiotic in the laboratory.
Lemborexant insomnia drug molecule. 3D rendering. Atoms are represented as spheres with conventional color coding.
Molecular model of amylose, one of the two sugar components in starch.
Folic acid, folate molecule. It is known as vitamin B9. 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.
Organic Carnauba Wax in Chemical Watch Glass with molecular structure place next to beaker and \nPlatycerium stemaria fern. Chemical ingredient used in cosmetic industry.
Chemical formula of Cortisol
Cyclic adenosine monophosphate is a second messenger important in many biological processes. cAMP is a derivative of adenosine triphosphate and used for intracellular signal transduction in many different organisms, conveying the cAMP-dependent pathway. It should not be confused with 5'-AMP-activated protein kinase.
Structural model of Benzene molecule
Glucosamine (C6H13NO5) is an amino sugar. treatment for osteoarthritis. Chemical structure model: Ball and Stick + Balls + Space-Filling. 3D illustration.
Flying to Charlotte North Carolina
Inside protein molecule
Squalane is a hydrocarbon derived by hydrogenation of squalene. 3d illustration
Chemical formula of Testosterone on a blackboard
Close-up shot of a petri dish for checking an antibiotic in the laboratory.
Arginine, also known as l-arginine (symbol Arg or R), is an α-amino acid that is used in the biosynthesis of proteins. It contains an α-amino group, an α-carboxylic acid group, and a side chain consisting of a 3-carbon aliphatic straight chain ending in a guanidino group. 3D ball-and-stick model, white background
Photomicrograph of flatworm,
Flavin adenine dinucleotide, FAD molecule.  Essential redox-active coenzyme involved in energy production and metabolism. Molecular model. 3D rendering. Illustration
striped metamorphic rock with crystals and lichens
Calcium carbonate chip in chemical watch glass with molecular structure on white laboratory table. Top view
A molecular model of the plasticizer Dibutyl Phthalate or DBP.  As a plasticizer it has been used in many products including adhesives, textiles, cosmetics and children's toys. There are now concerns about its health effects, particularly its effect on male health and behaviour.   Isolated on white.
Epalrestat diabetic neuropathy drug molecule (aldose reductase inhibitor). 3D rendering. Atoms are represented as spheres with conventional color codi
DNA A-T Pair
Prednisone is a glucocorticoid medication mostly used to suppress the immune system and decrease inflammation in conditions such as asthma, COPD, and rheumatologic diseases.
3D rendering of a drug molecule
Hyaluronan, hyaluronic acid, HA, hyaluronate molecule, short fragment. Molecular model. 3D rendering. Illustration
Richmond, Virginia, USA - August 15, 2014: The cat piece on GO starting a Monopoly game.
Microcrystalline wax with chemical formula on white laboratory table.
Fresh water diatom, a type of algae, Pinnularia species. Each diatom is composed of one cell and is mobile. Yellow-brown chloroplast fills cell. Warner Valley, California, USA. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination.
Free Images: "bestof:EffettiEtanoloLungoTermine.png en Most significant possible long-term effects of ethanol Sources are found in main article Wikipedia Ethanol Long-term Model"
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