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GABA B receptors  are G protein-coupled receptors, also called metabotropic receptors.  Binding of  an agonist (baclofen, red) leads to a G-protein coupled C-AMP signaling pathway. Source: PDB entries 7eb2, 6r3q,.
CRISPR-Cas9 gene editing technology
3D cartoon and Gaussian surface models, chain id color scheme,  PDB 2iw2, white background
A molecular model of Human Insulin. Isolated on black.
Dna structure on science background. 3d illustration
Photomicrograph of filamentous blue-green algae, Oscillatoria species. Each band along the stand is one cell. This filament is very short probably having recently parted from a longer one. Filaments are typically many times longer. This algae is mobile, it moves and twists through the water. San Francisco Bay, California, USA. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination. Note - motion blur of live specimen, very shallow depth of field, chromatic aberration and uneven focus are inherent in light microscopy.
ATP Synthase Protein - 3d rendered image. Medical microbiology concept.  Structure and conformational states of the bovine mitochondrial ATP (Adenosine triphosphate) synthase. Chemical energy is synthesized in eukaryotic cells primarily. Hydrolase. Hologram view. HUD, FUI
Rendering of cell membrane lipids
orange: RNA primer; red: RNA template; light blue: proofreading riboexonuclease; mid blue: helicase; dark blue: RNA directed RNA polymerase; violet: non structural proteins (NSPs).
Cell Membrane Phospholipid Structure,Phospholipid bilayer of the cell membrane,Lipid bilayer
3D cartoon and Gaussian surface models, chain id color scheme, PDB 3omv, white background
Lymphocytic myocarditis. Myocarditis is an inflammation of the heart muscle. Lymphocytic refers to the type of cell seen in the affected tissue. A lymphocyte is a type of immune function cell.
Cell membrane and biology, biological concept, 3d rendering. Computer digital drawing.
plant Flower bud of Lilium brownii var.viridulum T.S.\nunder light mircoscope with white background
Acetylcholine receptors in the lipid layer of cell membrane.
Bacteria pathogen - 3d rendered microbiology image. Illustrate of Lactobacillus Bulgaricus Bacteria, Microbacterium Tuberculosis Bacteria (MTB). Medical research, health-care concept. SEM (TEM) scanning view
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.
In vitro bacterial culture
3D cartoon and Gaussian surface models, PDB 2gjx, white background
Photomicrograph of rotifer. Rapidly rotating cilia at top of head, internal organs visible. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination.
Microscopic view of Salmonella enterica serotype Typhi that causes typhoid fever. 3D illustration
Chain of Amino Acid. Proteins consist of one or more chains of amino acids called polypeptides
Human cells background. 3d illustration
A ribbons model of Human Insulin. Isolated on white.
A new antibiotic (zosurabalpin, red) traps lipopolysaccharide (orange) in the intermembrane transporter of the Gram-negative bacterium Acinetobacter baylyi
Myxoid liposarcoma.  Myxoid/round cell liposarcoma, or MRCLS, is one of several types of liposarcoma. Liposarcoma is a rare cancer that grows in the cells that store fat in the body. MRCLS usually grows in the arms and legs. These tumors grow slowly, and they can spread to other parts of the body
3D cartoon and Gaussian surface models, PDB 6gu2, white background
Abstract Lactobacillus Bulgaricus Bacteria - 3d rendered microbiology image. Medical research, health-care concept. SEM (TEM)scanning view. Hologram digital display, HUD, FUI.
Intracellular transport, kinesin motor proteins, orange, transport molecules moving across microtubules, 3D illustration
Liver Fluke Section under light microscope with white background
Free Images: "bestof:PDB 1okc EBI.jpg Membrane and cell surface proteins and peptides Mitochondrial carrier Mitochondrial carrier Mitochondrial carrier ADP ATP carrier protein EBI"
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