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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.

Cell Membrane Phospholipid Structure,Phospholipid bilayer of the cell membrane,Lipid bilayer,lipid bi-layer cell anatomy

Host cells with spores (mold) are inside wood under the microscope for education.

$Phospholipid bilayer membrane structures that make up living cells and their contents. This is an image of membrane proteins in the membrane.\nThis image, which looks like a plastic model, evokes biology and biochemistry. It can be used as a cover for magazines, textbooks and presentation materials.\nThis image was not created by AI.$

A conceptual image of an abstract network of multi-coloured organic strands arranged in a non regular pattern all connected together in a complex manner. The network is made from smaller multi-coloured squares and polyhedra, in vivid colours against a pastel toned background. Shows background and foreground elements to the structure.

3D cartoon and Gaussian surface models, chain id color scheme, PDB 7t3a, white background

Focal nodular hyperplasia (FNH) is a benign liver lesion that is composed of a proliferation of hyperplastic hepatocytes surrounding a central stellate scar. Typically, FNH is a solitary lesion that is more commonly seen in women.

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

Cell Membrane Phospholipid Structure,Phospholipid bilayer of the cell membrane,Lipid bilayer

Acetylcholine receptors in the lipid layer of cell membrane.

Quantum Gravity 3d rendered image of a comprehensive exploration of Quantum Gravity theories. String theory, loop quantum gravity (LOG), causal dynamical triangulation, twistor theory, gravitational waves, spacetime, gravity waves, quantum mechanics, quantum entanglement concepts.

Characteristics of fungi living in wood as a group, are polyphyletic under the microscope for education.

plant Pine Stem C.S. under light mircoscope with white background

3D cartoon and Gaussian surface models, PDB 6gu2, white background

anaplastic thyroid carcinoma with heterologous differentiation (leiomyosarcoma)

GABA B receptors are G protein-coupled receptors, also called metabotropic receptors. Binding of an agonist (here baclofen, red) leads to a G-protein coupled C-AMP signaling pathway. Source: PDB entries 7eb2, 6r3q,.

Slice of natural crystal for patterns and textures use with high resolution.

Bronchitis and alveolitis in lung of horse infected with equine influenza virus, 200x magnification.

Thyroid cancer: Microscopic image of Metastatic papillary carcinoma of thyroid. Reactive change. Lymph node carcinoma.

flower bud of lilium brownii var. viridulum T.S. on microscopy

3D cartoon and Gaussian surface models with a putative membrane shown, PDB 4p02, white background

Micrograph of Invasive urothelial carcinoma high grade. Invasive urothelial carcinoma is a type of Transitional cell carcinoma (TCC, also urothelial cell carcinoma or UCC) and is a type of cancer that develops in the urinary system: the kidney, urinary bladder, and accessory organs. It is the most common type of bladder cancer and cancer of the ureter, urethra, and urachus. Invasive urothelial carcinoma originates from tissue lining the inner surface of these hollow organs - transitional epithelium. It can extend from the kidney collecting system to the bladder. H&E Stain

$The Raf/MEK/ERK (MAPK) propagates growth signals in the cell. Misregulation can lead to cancer.\nThe red dots on the active EGFR are phosphorylated tyrosines. PDB entries: 1egf, 1nql, 1m17, 2jwa, 3njp, 2gs6, 1gri, 1xd2, 3ksy, 5p21, 6xi7, 6q0j, 2y4i,$

Computer generated abstract concept image of 3d spheres like metaphor of abstract business processes.

Cross-section Dicot, Monocot and Root of Plant Stem under the microscope for classroom education.

Intricate bubble texture macro in bright colors for abstract background. Liquid bubbles lit from below with colors injected into the liquid as a design or art abstract.

Intracellular transport, kinesin motor proteins, orange, transport molecules moving across microtubules, 3D illustration

Free Images: "bestof:PDB 1a87 EBI.jpg Membrane and cell surface proteins and peptides Toxins membrane translocation domains Colicin Colicin Colicin N EBI License 1a87 November 16"

Adherens Junctions structural proteins-LangNeutral.svg

Cell membrane detailed diagram blank.svg

Scheme facilitated diffusion in cell membrane-ca.svg

Scheme simple diffusion in cell membrane-pl.svg

Adherens Junctions structural proteins.svg

Osmotic pressure on blood cells diagram pl.svg

Scheme secundary active transport-heb.svg

Endomembrane system diagram en (edit).svg

Animal mitochondrion diagram en (edit).svg

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