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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

Chemical formula of Cortisol

Folic acid, folate molecule. It is known as vitamin B9. Molecular model. 3D rendering. Illustration

Molecular model of tyrosine, one of 20 required amino acid to form proteins.

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

A model of a molecule of arginine, an amino acid. Amino acids are the building blocks of proteins and have many functions in metabolism. In particular, Arginine has an important function in the immune system, wound healing and cell division.

Copper(II) sulfate with molecular structure. Chemical ingredient used in medical and public health issues.

Subtle artificial contour map, with hexagon blocks forming a gray honeycomb background, top-view horizontal composition

3D rendering of Cosmetics essentials combined with a magic serum. Serum through the skin and reduce saggy skin of the skin cell. Moisturizer for lightening Dark skin tone changed to bright.

Chemical formula of Progesterone

Phenylalanine hydroxylase (PAH) (EC 1.14.16.1) is an enzyme that catalyzes the hydroxylation of the aromatic side-chain of phenylalanine to generate tyrosine. 3D cartoon and Gaussian surface models, chain id color scheme, based on PDB 2pah, white background.

3d Rendering Molecular Structure,Ozone,Hydrogen and oxygen

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

molecular symbol painted on the wall

Filtration and water purification scheme contaminated molecules pass through filter layers

3D realistically coloured hexagonal shapes of connected spheres, background with copy space. Futuristic illustration design template for scientific presentation. Molecular business, science, teamwork concept.

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.

Chemical formula of Aldosterone

c-Myc and Max transcription factors bound to DNA. 3D illustration. Atoms shown as spheres with conventional color coding.

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

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

A molecular model of the flavonoid Quercetin. An antioxidant and anti-inflamatory, it is used as a nutritional suplement. It is commonly found in many fruits and vegetables and is a significant chemical component of tea. Isolated on white.

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

Freshness capsule

Nourish hair of shampoo or serum. Repair damaged hair concept, 3d rendering.

Close-up of a blue mosaic tiles on a swimming pool.

Glucosamine (C6H13NO5) is an amino sugar. treatment for osteoarthritis. Chemical structure model: Ball and Stick + Balls + Space-Filling. 3D illustration.

DNA A-T Pair

Collagen protein molecule. Molecular model. 3D rendering. Illustration

A ball and stick model of Eicosapentaenoic Acid or EPA. It is an omega-3 polyunsaturated fatty acid. It is introduced into the diet by eating oily fish. Isolated on white.

Free Images: "bestof:Condensation polymerization diacid diamine.svg Reaction scheme of the condensation polymerization of dicarboxylic acid and diamine Selfmade with ChemDraw"

Phosphine ester reduction.svg

Benzoin condensation scheme.svg

Zimmerman-Traxler model scheme.svg

Yamaguchi lactonization.svg

Simple aldol reaction.svg

Formation of acyloin catenane.svg

Lanosterol from squalene.svg

Phosphine umpolung.svg

Seleniumdioxide oxidation.svg

Persulfurane synthesis.svg

Blaise Ketone Synthesis Scheme.svg

Crosslinking PE scheme de.svg

Dieckmann Condensation Scheme.png

Simple aldol reaction.png

Enol aldol mechanism.png

Enol aldol mechanism Commons.png

Chorismate Mutase Scheme.png

Imine condensation.jpg

Imine condensation!.jpg

!!Imine condensation.jpg

Acyloin Condensation 2.png

Psoralen synthesis.png

Chichibabin reaction.png

CRP - scheme.png

Triblock copolymer - reaction scheme.png

Katsuki-Sharpless epoxidation.png

Fischer-Hepp reaction.png

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$Lysine Biosynthesis.png$

Enolate aldol mechanism.png

Biginelli Reaction Scheme.png

Swern Oxidation Scheme.png

Gabriel Synthesis Scheme.png

Reissert Reaction Scheme.png

Betti Reaction Scheme.png

Reed Reaction Scheme.png

Favorskii Rearrangement Scheme.png

Stolle Synthesis Scheme.png

Jones Oxidation Scheme.png

Wharton Reaction Scheme.png

Petasis Reaction Scheme.png

Hunsdiecker Reaction Scheme.png

Skraup Reaction Scheme.png

Juila Olefination Scheme.png

Tyrosines from Phe.png

Leuckart Reaction Scheme.png

Sharpless Dihydroxylation Scheme.png

Chan Rearrangement Scheme.png

Shi Epoxidation Scheme.png

Indole Cycloaddition Padwa.png

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