Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
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
Close up of cristal beads
3D cartoon and Gaussian surface models, chain id color scheme, PDB 7t3a, white background
Neuroendocrine carcinoma well differentiated (carcinoid) rectum with immunostain synaptophysin
Backgrounds of Bacteria and Mold under the microscope in Lab.
Metastatic plasmacytoma, metastatic undifferentiated sarcoma. Microscopically show cellular material of mostly plasmacytiod cells. atypical mitoses are present. plasma cell tumor.
Shiny artificial molecular structure in many colors. Horizontal composition, isolated on black background.
Bacterial multidrug efflux pumps (E-CmeB) expel antibiotics  from inside the bacterium (bottom): ciprofloxacin (yellow), chloramphenicol (violet),  ampicillin (red).
Quantum Gravity 3d rendered image of a comprehensive exploration of Quantum Gravity theories. String theory, loop quantum gravity (LOG), causal dynamical triangulation, twistor theory, gravitational waves, spacetime, gravity waves, quantum mechanics, quantum entanglement concepts.
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.
Artificial Intelligence Sustainable Responsible Technology
Spike protein of SARS-CoV-2, Mutation in the spike protein that the virus uses to bind to the human ACE2 receptor. Mutation sped up spread of coronavirus.
Myxoid liposarcoma is a rare soft-tissue tumor with a misleading benign appearance. Site: Thigh Mass
Chain of amino acid or bio molecules called protein - 3d illustration
Overhead aerial drone view of oyster farm racks at low tide, flying at a low altitude to be able to see the detail of the oyster racks and seaweed. Located in a tidal estuary in Sutherland, Scotland. the low tides enable workers to access the racks for turning the oysters as they grow. Oysters have been farmed for many hundreds of years using this method. Seaweed has grown around the metal lines of racks.
HER2 (light blue)  locked in the inactive conformation by Trastuzumab (left) and Pertuzumab. Trastuzumab has drastically improved the prognosis of HER2-positive breast cancer patients.
colorised photo
3D cartoon and molecular surface models, chain id color scheme, putative membrane shown, pdb 1l7v, white background
DNA backgrounds
Histological Cerebellum human, Sympathetic ganglion human And Spinal cord human under the microscope for education.
Focal nodular hyperplasia (FNH) is a benign liver lesion that is composed of a proliferation of hyperplastic hepatocytes surrounding a central stellate scar. Typically, FNH is a solitary lesion that is more commonly seen in women.
Collagen protein molecule. Molecular model. 3D rendering. Illustration
A molecular model of the cross section through a cell membrane.
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.
Concept of choice, making decisions, risk, adversity, doorway, pathway
3D cartoon and Gaussian surface models, PDB 5fwk, white background
Various small shapes in red and purple, with white shining through them.  There is one large circular beam of light at the top middle section.
Cell membrane with white background, 3d rendering. Computer digital drawing.
Bamboo weave background
Free Images: "bestof:PDB 2bib EBI.jpg All beta proteins beta-hairpin stack Cell wall binding repeat Cell wall binding repeat Teichoic acid phosphorylcholine esterase Pce LytD"
saying-font-red-wall-prison-472218.jpg
tiles-baroque-pattern-texture-554601.jpg
jail-cells-jail-penitentiary-police-429638.jpg
wall-texture-backdrop-surface-554599.jpg
jail-prison-police-crime-law-429633.jpg
penitentiary-jail-police-crime-law-429634.jpg
jail-prisoner-captive-police-crime-429639.jpg
payphone-urban-phone-public-street-1616405.jpg
WHAT_YOUR_KIDS_ARE_BEING_TAUGHT.jpg
Pieter_Brueghel_the_Elder_-_The_Dutch_Proverbs_-_Google_Art_Project.jpg
2ph1 pdb gallery nucleotide binding-protein-2 (MinD homolog).svg
Cell membrane detailed diagram blank.svg
Cell membrane detailed diagram en.svg
Human genome by functions.svg
Complement pathway.svg
Notable mutations.svg
Plant cell wall diagram-en.svg
Plant cell wall diagram mk.svg
Plant cell wall nl.svg
Plant cell wall diagram gl.svg
Plant cell wall diagram-uk.svg
bacterium-nucleoid-cytoplasm-cell-307660.svg
Bacteria.svg
Schema pflanzliche Zellwand.svg
background-brick-bricks-graffiti-1298101.svg
seamless-texture-wallpapers-1356920.jpg
seamless-tile-background-abstract-1315261.jpg
seamless-tile-background-abstract-1315263.jpg
seamless-tile-background-abstract-1315262.jpg
Prokaryote cell diagram international.svg
Turgor pressure on plant cells diagram.svg
Plasmolyse Pflanzenzelle.svg
Turgor pressure on plant cells diagram pl.svg
Turgor pressure on plant cells diagram-es.svg
Turgor pressure on plant cells diagram-it.svg
Turgor pressure on plant cells diagram (zh-cn).svg
Sciana komorkowa roslin diagram pl.svg
hexagon-hex-grid-abstract-design-866195.jpg
Turgor pressure on plant cells diagram (zh-tw).svg
Quadroma antibodies.svg
Fremantle Prison map.svg
square-frame-geometry-design-869112.jpg
square-frame-geometry-design-869111.jpg
blocks-bricks-design-construction-724199.jpg
Engineered monoclonal antibodies.svg
Pore schematic.svg
Samuel_Palmer_-_Conway_Castle_-_Google_Art_Project.jpg
Plant cell structure svg labels.svg
Shifted chessboard.svg
Psychoacoustical tuning curves.svg
Insulin glucose metabolism ZP.svg
Insulin glucose metabolism ZP-ca.svg
Triple-Spiral-labyrinth.svg
Triple-Spiral-labyrinth-variant.svg
P450cycle.svg
PDB 2bib EBI.jpg
PDB 1h8g EBI.jpg
PDB 2bml EBI.jpg
PDB 1hcx EBI.jpg
PDB 1gvm EBI.jpg
PDB 1h09 EBI.jpg
PDB 1oba EBI.jpg
PDB 2j8g EBI.png
PDB 2j8f EBI.png
PDB 2ixv EBI.png
PDB 2ixu EBI.png
PDB 1wra EBI.jpg
PDB 3cir EBI.png
PDB 1bd8 EBI.jpg
PDB 1bi8 EBI.jpg
PDB 1blx EBI.jpg
PDB 1bi7 EBI.jpg
PDB 1a5e EBI.jpg
PDB 1dc2 EBI.jpg
PDB 2a5e EBI.jpg
PDB 1ap7 EBI.jpg
PDB 1lm5 EBI.jpg
PDB 1lm7 EBI.jpg
PDB 3d5a EBI.png
PDB 3d5c EBI.png
PDB 2vqe EBI.png
PDB 2vqf EBI.png
PDB 2uxd EBI.png
PDB 2uxb EBI.png
PDB 2v46 EBI.png
PDB 2v48 EBI.png
PDB 2qnh EBI.png
PDB 2qal EBI.png
PDB 2qan EBI.png
PDB 2qbf EBI.png
PDB 2qbd EBI.png
PDB 3df1 EBI.png
PDB 3df3 EBI.png
PDB 2qoy EBI.png
PDB 2qp0 EBI.png
PDB 2qb9 EBI.png
PDB 2qbb EBI.png
PDB 2qbh EBI.png
PDB 2qbj EBI.png
PDB 2qou EBI.png
Terms of Use   Search of the Day