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A ball and stick model of Human Insulin. Isolated on black.
orange: RNA primer; red: RNA template; light blue: proofreading riboexonuclease; mid blue: helicase; dark blue: RNA directed RNA polymerase; violet: non structural proteins (NSPs).
3D cartoon and molecular surface models, chain id color scheme, putative membrane shown, pdb 1l7v, white background
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.
Inside protein molecule
Cosmetic serum Oil drop on Saggy skin cell, Skin Repair, moisturizer, collagen serum, advertising background ready to use, 3D rendering
Proteasomes are molecular machines for breaking down proteins called proteolysis, only target proteins that have been marked for destruction called ubiquitin to the target protein, 3d rendering
Human Morula Cell, Solid Ball of Cells Resulting from Division
Acetylcholine receptors in the lipid layer of cell membrane.
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.
Bacterial multidrug efflux pumps (E-CmeB) expel antibiotics  from inside the bacterium (bottom): ciprofloxacin (yellow), chloramphenicol (violet),  ampicillin (red).
Shiny artificial molecular structure in many colors. Horizontal composition, isolated on black background.
3D cartoon and Gaussian surface models, PDB 6gu2, white background
Cells in the body examined by endoscope
Ball and stick 3D render of the caffeine molecular structure.
H2 Hydrogen Molecule Fuel Cell Element Vehicle Biodegradable Ethical Renewable Energy
Coxsackie virus internal structure, 3d illustration set isolated on white
Bacteria pathogen - 3d rendered microbiology image. Illustrate of Lactobacillus Bulgaricus Bacteria, Microbacterium Tuberculosis Bacteria (MTB). Medical research, health-care concept. SEM (TEM) scanning view
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.
nanotechnology and abstract graphene structures
3D cartoon and Gaussian surface models, chain id color scheme, PDB 7t3a, white background
DNA A-T Pair
Glucose-6-phosphate dehydrogenase (G6PD) protein. Enzyme of the pentose phosphate pathway that generates co-enzyme NADPH. 3D illustration.
Close-up of glass marbles flying into air against coloured background.
Biological protein and molecule, 3d rendering. 3D illustration.
Modern abstract painting. Colorful flowing art painting. Geometric background.
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 shooting of a green agate stone mineral surface isolated on white background. Its a macro shot shows nature beautiful details with back lit. Agate is a kind of natural gemstone. Abstract pattern. Good for Wallpaper texture background. Turquoise, blue
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.
Different germs in the human intestines called microbiome,Bacteria Lactobacillus in human intestine,Beneficial healthy intestinal bacterium microflora,Gut bacteria
Free Images: "bestof:PDB 1tlw EBI.jpg Membrane and cell surface proteins and peptides Transmembrane beta-barrels Tsx-like channel Tsx-like channel Nucleoside-specific"
Lipid raft organisation scheme.svg
Gap cell junction keys.svg
Design_Analysis_of_the_F6F-5_Hellcat.png
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