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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.
Concept of decision making. Businessman's hand highlighting two cells of tic-tac-toe.
Streptococcus pneumoniae bacteria, also known as pneumococcus, Gram-positive bacteria responsible for causing various respiratory tract infections, including pneumonia, 3D illustration.
Water bottle with micro plastic concept of water plastic pollution and global warming with text
The xylem and phloem that make up the vascular tissue of the stem are arranged in distinct strands called vascular bundles, which run up and down the length of the stem
This is a photograph drawn with a sharpie of a football play consisting of X's and O's. It is isolated on a pure white background.Click on the links below to view lightboxes.
Light texture skin treatment serum penetrates skin surface to reduce pore and smooth wrinkles. 3D rendering.
3d cell organelle - nucleus (Chromatin, Rough Endoplasmic Reticulum, Nucleus Shell, Nucleoplasm, Nucleolus)
Human embryonic development, or human embryogenesis, is the development and formation of the human embryo. It is characterised by the processes of cell division and cellular differentiation of the embryo that occurs during the early stages of development.
Yes and no 3D check mark symbols.
Skin cells and molecular structure, 3d rendering. Computer digital drawing.
Three Dimensional, Computer, Design, Document, File Folder, Icon
Forming of underskin cellulite illustration. Structure of normal healthy and cellulite skin. Comparison
Goal achievement and business success
skin detail
Yellow dot walkway and blind safety on pavement and footpaths.
First aid kit on white background. Isolated 3D illustration
This is a vector illustration of a cloud database 3D icon
White health care medical box, 3d rendering. Digital drawing.
http://www.pagadesign.net/alphamap.jpg
Gold serum with bubble inside drop on skin cell for professional skin treatment product. 3D rendering.
Football play
Illustration of animal cell anatomy
3d rendering of glossy eyeball, eye iris on blue background.
3D cartoon and Gaussian surface models with a putative membrane shown, PDB 4p02, white background
Plus Sign icon on colorful Background. Set of icons.
Acetylcholine receptors in the lipid layer of cell membrane.
Colorful Background Spheres
wrinkles before and after
Minus and plus written yellow and white speech bubbles sitting on blue background. Horizontal composition with copy space.
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PL - Stare Budkowice - monument for the 30th anniversary of People's Republic of Poland 02.jpg
Gregory_the_Illuminator.jpg
US_Navy_050114-N-6817C-302_The_people_of_Banda_Aceh,_Sumatra,_express_hope_after_the_devastating_tsunami_destroyed_many_of_their_homes.jpg
US_Navy_090927-N-0120R-001_Sailors_working_with_Joint_Special_Operations_Task_Force-Philippines_rescue_Manila_residents_after_flooding_destroyed_homes_and_displaced_thousands_of_people.jpg
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US_Navy_090927-N-1008D-003_Medical_personnel_assigned_to_Joint_Special_Operations_Task_Force-Philippines_assist_a_woman_in_labor_during_relief_efforts_after_flooding_destroyed_homes_in_Manila.jpg
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US_Navy_090927-N-0120R-002_U.S._Navy_SEAL_Teams_One_and_Seven,_Naval_Special_Boat_Teams_12_and_20,_and_medical_personnel_assigned_to_Joint_Special_Operations_Task_Force-Philippines_rescue_Manila_residents_after_flooding_destroy.jpg
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