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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
Vitamin D Capsule with D3 Element. Dietary Supplements. 3D Render
Products containing Vitamin B3, Niacin. 3D rendering isolated on white background
Assortment of products containing magnesium. Healthy diet food. Top view
Instant soy milk powder in white plate,Alternative milk,healthy concept.Top view
Inside protein molecule
Carbamide in Chemical Watch Glass with molecular structure. Chemical ingredient used in medical and public health issues.
Group of allergy foods with copy space on white background. The composition includes soy beans, eggs, dairy products, nuts, seafood an wheat.
The cytokin interleukin 11 (IL-11) plays an important role in autoimmune diseases, fibrotic complications, and solid cancers. Blocking IL-11 can extend lifespan and improve health.
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 6gu2, white background
3D rendered simple solid icon
Calcium Rich Foods for Healthy diet eating and For Immune Boostig. Top view with copy space
snack
Vitamin A, B, C, D isolated on white background.
walnuts and grapefruit
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
DNA A-T Pair
Food containing natural iron. Fe: Liver, avocado, broccoli, spinach, parsley, beans, nuts, on a white background. Top view.
A molecular model of Bisphenol A or BPA.  It is a common building block in the production of many epoxy resins and plastics including polycarbonate plastic. As such it is present in a huge range of food packaging and household products. There are now concerns about its health effects, particularly its effect on children, infants and fetuses.   Isolated on white.
Concept of sports or fitness nutrition, close up
Group of allergy foods isolated on white background. The composition includes soy beans, eggs, dairy products, nuts, seafood an wheat.
TNF-alfa (blue) is the most potent proinflammatory cytokine and is crucial in the pathogenesis of PsA. TNF-  inhibitors considerably relieve symptons in patients. A therapeutic antibody (adalimumab) blocks the receptor binding site of  TNF-.
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.
Deacetoxycephalosporin-C synthase (DAOCS) is a mononuclear ferrous enzyme that transforms penicillins into cephalosporins. 3D cartoon and Gaussian surface models, chain instance color scheme, based on PDB 1uof, white background.
chinese medicine Rhizoma Dioscoreae Septemlobae on black background
Foods rich in  Vitamin B6 (Pyridoxine). Healthy food concept. Top view
Vegan burger isolated on a woden table
Free Images: "bestof:PDB 2pea EBI.png Alpha and beta proteins a+b beta-Grasp ubiquitin-like Ubiquitin-like Ubiquitin-related Ubiquitin EBI License 2pea June 5 2009 Ubiquitin Files"
Agaritine.svg
2ph1 pdb gallery nucleotide binding-protein-2 (MinD homolog).svg
Conjugate gradient illustration.svg
Swine flu infection exponent by county FluTracker June 2009.svg
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