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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
Cells in the body examined by endoscope
3D cartoon and Gaussian surface models, chain id color scheme, PDB 7t3a, white background
Covid-19 Coronavirus Variants Omicron Delta Gamma Beta Alpha Pandemic Virus Disease Mutation
Inside protein molecule
Fresh vegetables, fruits and seeds on black table, flat lay. Sources of essential amino acids
EBP Evidence based practice Concept. Chart with keywords and icons on white desk with stationery.
Freshness capsule
Bacterial multidrug efflux pumps (E-CmeB) expel antibiotics  from inside the bacterium (bottom): ciprofloxacin (yellow), chloramphenicol (violet),  ampicillin (red).
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.
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.
AI symbol with black background
Unsaturated fats. Sources of fats good for health. Top view
3D rendered simple solid icon
Vitamin B concept with various food contains vitamin B
Food containing natural iron. Fe: Liver, avocado, broccoli, spinach, parsley, beans, nuts, on a white background. Top 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.
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.
3D cartoon and Gaussian surface models, PDB 3v6b, white background
Wasabi,Horseradish, Powder, Japanese Food Ingredient.
Copper(II) sulfate with molecular structure. Chemical ingredient used in medical and public health issues.
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
Nutritious various ingredients containing natural minerals and vitamin K
3d rendering of 5G Connections with Arrows.
The glucagon like peptide-1 receptor (GLPr) is a G proteincoupled receptor (GPCR) that mediates the action of GLP-1, a peptide hormone. The activated receptor  has a strong effect  on the management of type 2 diabetes mellitus and obesity, including glucose homeostasis and regulation of gastric motility and food intake.
Slice of natural crystal for patterns and textures use with high resolution.
3D cartoon and Gaussian surface models, PDB 6gu2, white background
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.
Food is source of magnesium (Mg). Various natural food rich in vitamins. Useful food for health and balanced diet. Prevention of avitaminosis. Small cutting board with name of magnesium. Top view
Flying to Charlotte North Carolina
Free Images: "bestof:PDB 1ygh 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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(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
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(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
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