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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.
Covid-19 Coronavirus Variants Omicron Delta Gamma Beta Alpha Pandemic Virus Disease Mutation
Karlsruhe, Baden-Wuerttemberg,Germany – October 13, 2013: This dictionary is very famous and used by brazilians learners of German language.This version (Portuguese - German) of the German brand Langenscheidt stands on a white background. The photo was photographed in a studio setting.
Peanut powder on white background
3D cartoon and Gaussian surface models, PDB 1uea, white background
Inside protein molecule
Instant soy milk powder in white plate,Alternative milk,healthy concept.Top view
Food supplement capsules with oil - vitamin A
Different types of cat food in in bowls on grey surface with copy space
Chemical formula of Progesterone
Main mutation site of the coronavirus variant B.1.531 emerged in South Africa. The spike protein (red) is bound to the angiotensin converting enzyme 2 (blue). The mutation is at the amino acid position 484 (yellow). Source: PDB entry 6cs2.
Frankfurt Airport with a large commercial airplane. The image was captured during summer season.
Deacetoxycephalosporin-C synthase (DAOCS) is a mononuclear ferrous enzyme that transforms penicillins into cephalosporins. 3D cartoon and Gaussian surface models, chain instance color scheme, based on PDB 1uof, white background.
Brisbane, Queensland, Australia: Toll Aviation 737-484(SF) (registration ZK-TLL MSN 25362) being towed along a taxiway- Brisbane Airport (BNE). Toll Aviation is an Australian cargo airline headquartered in Brisbane, founded as Jetcraft Aviation in 1989, in 2007 , it filed for bankruptcy and was later acquired by the Toll Group, an Australian logistics conglomerate.
Fresh vegetables, fruits and seeds on black table, flat lay. Sources of essential amino acids
Six bowls with different grains
Maca, powder and capsules in a closeup
Chemical formula of melatonin
PETase (left) degrades  polyethylene terephtalate (PET) into monohydroxyethyl terephthalate (MHET) and MHETase degrades MHET ethylene glycol (EG) and terephthalic acid (TPA). The substrates in the binding sites are depicted in red.
Japanese vegan foods made from soybeans include natto, miso, tofu, soy sauce, bean sprouts, and many others.
3D cartoon and Gaussian surface models. PDB 3kqg, chain id color scheme, white background.
Molecular model of amylose, one of the two sugar components in starch
Gastrointestinal tract model and products to help digestion on white background, top view
A still life illustrating all the types of food that contain folic acid. Originaly shot on 5x4 film stock.
Collagen protein molecule. Molecular model. 3D rendering. Illustration
Istanbul, Turkey: Mahan Air Airbus A310-304,  MSN 547, registration EP-MNF, with tug. Mahan Air (Persian هواپیمایی ماهان) is the largest private Iranian airline based at Tehran Mehrabad Airport . Mahan Air was founded in 1991 by the son of the then Iranian President Akbar Hashemi Rafsanjani in Kerman. The name of Mahan is taken from the historical city of Mahan in Kerman Province.
Superfoods collection on chalkboard as background
Dublin, Ireland, April 4, 2023 - Aer Lingus Airbus A320-200 St Declan at Dublin Ireland Airport.
3D cartoon and Gaussian surface models, chain id color scheme, PDB 3omv, white background
Los Angeles, California, USA - April 8, 2024: Airbus A330-900 of Condor Airlines approaching Los Angeles International Airport. Condor, legally incorporated as Condor Flugdienst GmbH, is a German leisure airline established in 1955 with Frankfurt Airport being its main base. Condor offers scheduled flights to leisure destinations and operates, from Germany, medium-haul flights to the Mediterranean Basin and the Canary Islands as well as long-haul flights to destinations in Africa, Asia, North America, South America and the Caribbean.
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Human genome by functions.svg
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AminoAcid length distribution 2010.svg
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2ph1 pdb gallery nucleotide binding-protein-2 (MinD homolog).svg
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Thyroid hormone synthesis.svg
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portugues-sexo_alemão-sex_ingles-sex_africano-seks_russo-секс_albanes-sex_chines-性別_bulgaro-секс_croata-spol_gales-rhyw_coreano-섹스_frances-sexe_japones-セックス_filandes-sukupuolesta_arabe-الجنس_prontos_ai_tens_em_15_linguas_a_p.jpg
portugues-sexo_alemão-sex_ingles-sex_africano-seks_russo-секс_albanes-sex_chines-性別_bulgaro-секс_croata-spol_gales-rhyw_coreano-섹스_frances-sexe_japones-セックス_filandes-sukupuolesta_arabe-الجنس_prontos_ai_tens_em_15_linguas_a_p.jpg
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