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From left to right: the NMDA and  AMPA receptors transport calcium cations into neurons after being activated by the neurotransmitter glutamate and  the GABA receptor (right) transport chloride anions after the activation by gamma aminobutyrate. PDB entries: 6wht,  3kg2, 6d6u
A image showing starting alphabets of Indian Hindi language which stands for English 'A'.
3D cartoon and Gaussian surface models, chain id color scheme, PDB 7t3a, white background
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.
Food containing natural iron. Fe: Liver, avocado, broccoli, spinach, parsley, beans, nuts, on a white background. Top view.
Cells in the body examined by endoscope
Fresh vegetables, fruits and seeds on black table, flat lay. Sources of essential amino acids
Blastomycosis is a fungal infection caused by inhaling Blastomyces dermatitidis spores. If it involves only the lungs, it is called pulmonary blastomycosis. Only about half of people with the disease have symptoms, which can include fever, cough, night sweats, muscle pains, weight loss, chest pain, and feeling tired.
Immunotherapy of Alzheimer's disease: Monoclonal antibody (light blue) bound to an amyloid beta peptide (orange),  that is aggregated to amyloid beta fibrils, which build up amyloid plaques.
AI symbol with black background
Spike glycoprotein homotrimer, a main target for neutralization antibody, to bind its receptor, ACE2, and mediate membrane fusion and virus entry. 3D cartoon and Gaussian surface models, white background.
DNA Helix - 3d rendered image. Genetic research concept. Complex spiral structure illustration. Medical, science, genetic biotechnology, gene cell, chromosome idea. DNA strands on dark background . Science nanotechnology.
Inside protein molecule
Carbamide in Chemical Watch Glass with molecular structure. Chemical ingredient used in medical and public health issues.
Vitamin B concept with various food contains vitamin B
Nutritious various ingredients containing natural minerals and vitamin K
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.
29 October Republic Day of Türkiye text on a red shiny sphere with a partial Turkish flag on white background. Easy to crop for all your print sizes and social media needs.
3D cartoon and molecular surface models, chain id color scheme, putative membrane shown, pdb 1l7v, white background
Wasabi,Horseradish, Powder, Japanese Food Ingredient.
Cediranib cancer drug molecule. 3D rendering. Atoms are represented as spheres with conventional color coding.
Top view of various kinds of vegan protein sources like tofu, tempeh, soy beans, soy milk, mushrooms, wakame, lentils, peanuts, spinach and chick peas. All the objects are on a gray bluish backdrop. Studio shot taken with Canon EOS 6D Mark II and Canon EF 24-105 mm f/4L
Copper(II) sulfate with molecular structure. Chemical ingredient used in medical and public health issues.
Freshness capsule
Bacterial multidrug efflux pumps (E-CmeB) expel antibiotics  from inside the bacterium (bottom): ciprofloxacin (yellow), chloramphenicol (violet),  ampicillin (red).
This computer-generated image vividly illustrates the invasive Group A Streptococcal bacteria, as they would appear under a microscope. This visual representation helps to understand the microscopic world of Group A Streptococcus and its potential to cause serious diseases.
3D cartoon and Gaussian surface models, PDB 6gu2, white background
Chemical formula of Estrogen
Unsaturated fats. Sources of fats good for health. Top view
Flying to Charlotte North Carolina
Free Images: "bestof:PDB 1q2d EBI.jpg Alpha and beta proteins a+b Acyl-CoA N-acyltransferases Nat Acyl-CoA N-acyltransferases Nat N-acetyl transferase NAT Catalytic domain of GCN5"
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Knights at Azincourt.jpg
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Arisaig on the road to the isles.jpg
Panama canal sunrise.jpg
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(Portrait of Nat King Cole, New York, N.Y., ca. June 1947) (LOC) (4843738572).jpg
(Portrait of Nat King Cole, New York, N.Y., ca. June 1947) (LOC) (5269515580).jpg
Nat_Turner_woodcut.jpg
(Portrait of Oscar Moore, Nat King Cole, and Wesley Prince, New York, N.Y., ca. July 1946) (LOC) (4843738442).jpg
(Portrait of Oscar Moore, Nat King Cole, and Wesley Prince, New York, N.Y., ca. July 1946) (LOC) (4931765097).jpg
(Portrait of Oscar Moore, Nat King Cole, and Wesley Prince, New York, N.Y., ca. July 1946) (LOC) (4932356396).jpg
(Portrait of Wesley Prince, Nat King Cole, and Oscar Moore, between 1938 and 1948) (LOC) (5268904477).jpg
(Portrait of Oscar Moore, Nat King Cole, and Wesley Prince, between 1938 and 1948) (LOC) (5269515462).jpg
(Portrait of Wesley Prince, Nat King Cole, and Oscar Moore, New York, N.Y., ca. July 1946) (LOC) (5268904625).jpg
(Portrait of Wesley Prince, Oscar Moore, and Nat King Cole, Zanzibar, New York, N.Y., ca. July 1946) (LOC) (4843124039).jpg
(Portrait of Wesley Prince, Oscar Moore, and Nat King Cole, Zanzibar, New York, N.Y., ca. July 1946) (LOC) (4931764613).jpg
(Portrait of Eddy Duchin, Wesley Prince, Nat King Cole, and Oscar Moore, New York, N.Y., ca. July 1946) (LOC) (4931771889).jpg
Luther auf dem Totenbett Karlsruhe.jpg
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