Rétinol — Vitamine A Vitamine A (Rétinol) Ecriture topologique du Rétinol Général Nom IUPAC Tout trans 3,7 Dimethyl 9 (2,6,6 trimethyl 1 cy … Wikipédia en Français
Retinal isomerase — In enzymology, a retinal isomerase (EC number|5.2.1.3) is an enzyme that catalyzes the chemical reaction:all trans retinal ightleftharpoons 11 cis retinalHence, this enzyme has one substrate, all trans retinal, and one product, 11 cis… … Wikipedia
List of EC numbers (EC 5) — This list contains a list of EC numbers for the fifth group, EC 5, isomerases, placed in numerical order as determined by the Nomenclature Committee of the International Union of Biochemistry and Molecular Biology. =EC 5.1: Epimerases and… … Wikipedia
Bleach and recycle — The bleach and recycle process is utilized within the retina to ensure that the chromophore, 11 cis retinal, is present within opsin molecules in sufficient quantities to allow phototransduction to occur. To understand the process, we must look… … Wikipedia
retinaldehyde — Retinol oxidized to a terminal aldehyde; retinal; a carotene released (as all trans retinal) in the bleaching of rhodopsin by light and the dissociation of opsin in the vision cycle. SYN: retinene 1 … Medical dictionary
Visual phototransduction — is a process by which light is converted into electrical signals in the rod cells, cone cells and photosensitive ganglion cells of the retina of the eye.The visual cycle is the biological conversion of a photon into an electrical signal in the… … Wikipedia
Antioxidant — Model of the antioxidant metabolite glutathione. The yellow sphere is the redox active sulfur atom that provides antioxidant activity, while the red, blue, white, and dark grey spheres represent oxygen, nitrogen, hydrogen, and carbon atoms,… … Wikipedia
retinal — 1. Relating to the retina. 2. Retinaldehyde; most commonly referring to the all trans form. r. dehydrogenase an oxidoreductase catalyzing the interconversion of retinaldehyde and NAD+ to retinoic acid and NADH … Medical dictionary
11103-57-4 — Vitamine A Vitamine A (Rétinol) Ecriture topologique du Rétinol Général Nom IUPAC Tout trans 3,7 Dimethyl 9 (2,6,6 trimethyl 1 … Wikipédia en Français
68-26-8 — Vitamine A Vitamine A (Rétinol) Ecriture topologique du Rétinol Général Nom IUPAC Tout trans 3,7 Dimethyl 9 (2,6,6 trimethyl 1 … Wikipédia en Français
