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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.
Chemical formula of Cortisol
3d rendering of benzene molecules conjugated gold (Au) nanoparticles (NPs) on the black background
blackboard full of chemical formula
Copper(II) sulfate with molecular structure. Chemical ingredient used in medical and public health issues.
Complex formula of an organic molecule.
Endosomes - 3d rendered image of Endosomes are membrane-bound organelles. They are parts of endocytic membrane transport pathway.  Endomembrane system in cells. Bilayer Lipid Membrane. Abstract medical illustration. Microscopic view. Microbiologic research concept.
3D cartoon and Gaussian surface models, PDB 6gu2, white background
Bacterial multidrug efflux pumps (E-CmeB) expel antibiotics  from inside the bacterium (bottom): ciprofloxacin (yellow), chloramphenicol (violet),  ampicillin (red).
Chemical formula of Progesterone
Chemical formula of Progesterone. Close-up.
plant Pine Stem C.S. under light mircoscope with white background
Phenol in old glass bottle on a sheet of paper with chemical formulae (selective focus)
DNA and biotechnology concept
Cell membrane with white background, 3d rendering. Computer digital drawing.
3d Rendering Molecular Structure,Ozone,Hydrogen and oxygen
Chemical formula of DDT on a blackboard
Chemical formula of Aldosterone
Microcrystalline wax with chemical formula on white laboratory table.
Liver Fluke Section under light microscope with white background
Chemical formula of Vitamin A with black pen.
Abstract technological design of an artificial molecular structure in many colors. Horizontal wide composition.
3D Caffeine Molecule Made From Coffee Beans Illustration Isolated on Black and White Background With Clipping Path. Caffeine is a Drug That Stimulates the Activity of Your Brain and Nervous System by Blocking the Action of Adenosine.
DNA,3D RENDER
Vitamin A. Retinol 3d molecule on paper texture background. Skeletal formula of vitamin a. Recessed text in green and yellow.
3D realistically coloured hexagonal shapes of connected spheres, background with copy space. Futuristic illustration design template for scientific presentation. Molecular business, science, teamwork concept.
Amlodipine structural formula
Structural model of Benzene molecule
Chemical formula of Bisphenol A (BPA) with black pen. Close-up.
Photography of Social connection concept  ,drawn with pen on note pad
Free Images: "bestof:Mitratapide.svg Skeletal formula of w mitratapide trade name Yarvitan � an Microsomal triglyceride transfer protein MTTP inhibitor used in the management of"
Mitratapide.svg
Steatosis.svg
Brinzolamide.svg
Gliquidone.svg
Aliskiren.svg
Arformoterol.svg
Cediranib.svg
AZD2171.svg
Semaxanib.svg
Glimepiride.svg
Aranidipine.svg
Filanesib.svg
DMDM hydantoin.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
Ataluren.svg
Voglibose structure.svg
Part_of_Bathing_Beach_and_Picnic_Grounds_at_the_New_State_Park_at_East_Harbor,_Just_East_of_Port_Clinton,_Ohio_(1952).jpg
Back_of_Blue_Hole_Entrance,_Castalia,_Ohio_(1940).jpg
Blue_Hole_Entrance,_Castalia,_Ohio_(1940).jpg
Back_of_Part_of_Bathing_Beach_and_Picnic_Grounds_at_the_New_State_Park_at_East_Harbor,_Just_East_of_Port_Clinton,_Ohio_(1952).jpg
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