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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
Phospholipid bilayer membrane structures that make up living cells and their contents. This is an image of membrane proteins in the membrane.\nThis image, which looks like a plastic model, evokes biology and biochemistry. It can be used as a cover for magazines, textbooks and presentation materials.\nThis image was not created by AI.
blue SEPA - single euro payments area button - 3D illustration
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. Hologram view. HUD, FUI, SEM
3D cartoon and Gaussian surface models, chain id color scheme, PDB 7t3a, white background
Close up of cristal beads
Characteristics of fungi living in wood as a group, are polyphyletic under the microscope for education.
Freshness capsule
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.
3D rendered simple solid icon
Inside protein molecule
Epidermis. Electron microscope micrograph showing a keratinocyte of spinous layer. The epithelial cell has a polygonal shape, central nucleus with nucleolus, cytoplasm full of keratin filament bundles, and numerous dark desmosomes crossing the intercellular spaces.
B-chain pentamer and A-chain subunit (green), 3D cartoon and Gaussian surface model, white background
Infection disease - 3d rendered image. Abstract pathogen scene. Microscopic view. Infection, disease microbiology concept. Fungal, mold, mushroom, spore, yeast, bacteria, yeast image.  SEM (TEM) view.
Toxoplasma gondii oocyst under the microscope, isolated
DNA and biotechnology concept
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.Computer generated abstract background.
Nucleosome structure. Structure of an oligonucleosome, showing the packaging of DNA in chromosomes. 3D illustration.
Covid-19 vaccination record card
3D cartoon and Gaussian surface models, PDB 7s03, white background
DNA A-T Pair
clear gel drops in petri dish isolated on white background. Cosmetic laboratory research, medical or science test concept.
Abs Virus - 3d rendered image like colorized scanning electron micrograph. Scene showing virus (yellow)  emerging from infected cell.\nConcept of coronavirus that’s causing a global pandemic. Covid-19, Sars-cov-2 alpha, betta, gamma, delta, lambda variant, 2019-nCoV, Coronavirus.\nSEM, TEM, hologram view.
Bacterial multidrug efflux pumps (E-CmeB) expel antibiotics  from inside the bacterium (bottom): ciprofloxacin (yellow), chloramphenicol (violet),  ampicillin (red).
stx2a is a subtype of Shiga toxin-producing E. coli (STEC) linked to Hemolytic Uremic Syndrome (HUS), a severe condition impacting kidney function and blood clotting. STEC poses a significant risk of foodborne illness and can spread within communities including family members.
False color image of diatom under the microscope
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
Abstract Globe World Maps On White
Free Images: "bestof:PDB 3d6z EBI.png All alpha proteins Putative DNA-binding domain Putative DNA-binding domain DNA-binding N-terminal domain of transcription activators"
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Stat domain structure (zh-cn).svg
RHAU domain architecture 02.svg
Greek lc alpha.svg
Alpha lowercase.svg
AminoAcidball.svg
Alpha-D-Galactopyranose.svg
AlphaHelixSection (blue).svg
Alpha-Tropanol.svg
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Alpha Dive Flag.svg
2-hydroxy-2-methylbutyric acid.svg
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Alpha-D-Mannofuranose.svg
Alpha-D-Mannopyranose.svg
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Alpha-D-Gulofuranose.svg
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Alpha-D-Idofuranose.svg
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Alpha-D-Tagatofuranose.svg
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Example image.svg
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Thermionic diode forward bias.svg
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Schottky barrier minority carrier injection.svg
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PlotDiscriminantsOfQuarticFields.svg
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