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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
Covid-19 Coronavirus Variants Omicron Delta Gamma Beta Alpha Pandemic Virus Disease Mutation
Nucleosome, molecular model. 3D illustration. The nucleosome consists of a DNA double helix wrapped around a core of histone proteins.
Textured cells under heavy magnification
Biological protein and molecule, 3d rendering. 3D illustration.
Inside protein molecule
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.
3D cartoon and Gaussian surface models. chain id color scheme, PDB 5zjd, white background.
orange: RNA primer; red: RNA template; light blue: proofreading riboexonuclease; mid blue: helicase; dark blue: RNA directed RNA polymerase; violet: non structural proteins (NSPs).
Cells in the body examined by endoscope
DNA close-up, DNA Molecule Model, DNA Strands, DNA animation
H2 Hydrogen Molecule Fuel Cell Element Vehicle Biodegradable Ethical Renewable Energy
Calcium-binding atopy-related autoantigen 1, a protein that in humans is encoded by the CBARA1 gene.  A calcium binding atopy-related autoantigen. 3d rendering.
Liver Fluke Section under light microscope with white background
Biological protein and molecule, 3d rendering. 3D illustration.
Hemp Floral Wax in a petri dish
B-chain pentamer and A-chain subunit (green), 3D cartoon and Gaussian surface model, white background
Immunoglobulin G (IgG) - 3d rendered image. Microbiology illustration  the structure of an antibody. The Y-shaped structure. IgG is the most common type of antibody. Hologram view. SEM.
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.
DNA A-T Pair
brown fat cell also called brown adipose tissue side to side with white fat cell 3d rendering
Photomicrograph of rotifer. Rapidly rotating cilia at top of head, internal organs visible. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination.
Nucleosome structure. Structure of an oligonucleosome, showing the packaging of DNA in chromosomes. 3D illustration.
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.
3D cartoon and molecular surface models, chain id color scheme, putative membrane shown, pdb 1l7v, white background
Bacteria pathogen - 3d rendered microbiology image. Illustrate of Lactobacillus Bulgaricus Bacteria, Microbacterium Tuberculosis Bacteria (MTB). Medical research, health-care concept. SEM (TEM) scanning view
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.
Molecular model of lactose, a disaccharide sugar in milk.
Coxsackie virus internal structure, 3d illustration set isolated on white
molecular structure digital concept
Free Images: "bestof:PDB 1s1s EBI.jpg Alpha and beta proteins a+b TBP-like Cell-division protein ZipA C-terminal domain Cell-division protein ZipA C-terminal domain Cell-division"
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Stem cell division and differentiation.svg
2ph1 pdb gallery nucleotide binding-protein-2 (MinD homolog).svg
Stat domain structure (zh-cn).svg
Complement pathway.svg
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Hepatitis B virus v2.svg
Proteinoxidation 03.svg
Inteiner.svg
Proteinstructur-ar.svg
Main protein structure levels gl.svg
Protein primary structure gl.svg
WikF1-en.svg
RHAU domain architecture 02.svg
Ribosome mRNA translation gl.svg
Intermediate filament uk.svg
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BSicon KBHFa purple.svg
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Logarithmic spiral.svg
Jakstat pathway PIAS.svg
Cpi-2010.svg
PhOH-CHCl3 extraction.svg
Acides aminés propriétés diagramme Venn.svg
PlotDiscriminantsOfQuarticFields.svg
Union Membership and Support.svg
Cell membrane detailed diagram id.svg
Taxol structure.svg
Pan Am Worldport.jpg
ClueBot NG new user revert probability.svg
Thyroid hormone synthesis-it.svg
Chunnel traffic-fr.svg
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Thyroid hormone synthesis.svg
United States Income Distribution 1967-2003.svg
Notable mutations.svg
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Chunnel traffic.svg
United States Income Distribution 1947-2007.svg
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