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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).
Nucleosome, molecular model. 3D illustration. The nucleosome consists of a DNA double helix wrapped around a core of histone proteins.
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.
Structure of novel coronavirus spike receptor-binding domain (pink) complexed with its receptor ACE2 (blue), surface modeel, white background
Cells in the body examined by endoscope
Multicolored antibodies or immunoglobulin protein structures - 3d illustration
Vitamin D Capsule with D3 Element. Dietary Supplements. 3D Render
Inside protein molecule
A new antibiotic (zosurabalpin, red) traps lipopolysaccharide (orange) in the intermembrane transporter of the Gram-negative bacterium Acinetobacter baylyi
3d rendering of ubiquitin is attached to target proteins by a process called ubiquitination
Myxoid liposarcoma.  Myxoid/round cell liposarcoma, or MRCLS, is one of several types of liposarcoma. Liposarcoma is a rare cancer that grows in the cells that store fat in the body. MRCLS usually grows in the arms and legs. These tumors grow slowly, and they can spread to other parts of the body
3D cartoon and Gaussian surface models, chain id color scheme, PDB 3omv, white background
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.
DNA close-up, DNA Molecule Model, DNA Strands, DNA animation
H2 Hydrogen Molecule Fuel Cell Element Vehicle Biodegradable Ethical Renewable Energy
Nucleosome structure. Structure of an oligonucleosome, showing the packaging of DNA in chromosomes. 3D illustration.
DNA A-T Pair
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.
Freshness capsule
3D cartoon and Gaussian surface models, chain id color scheme, PDB 7t3a, white background
A model of a molecule of arginine, an amino acid. Amino acids are the building blocks of proteins and have many functions in metabolism. In particular, Arginine has an important function in the immune system, wound healing and cell division.
Biological protein and molecule, 3d rendering. 3D illustration.
An ECG test chart with pills and a stethoscope
Carbamide in Chemical Watch Glass with molecular structure. Chemical ingredient used in medical and public health issues.
Vitamin D3 Capsules. 3D Render
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
This footage shows the translation initiation complex, which consists of the ribosomal small subunit, transfer RNA (tRNA), and translation initiation factors. The golden ribbon represents the RNA.
3D cartoon and Gaussian surface models, PDB 5fwk, white background
Molecular model of lactose, a disaccharide sugar in milk.
Free Images: "bestof:PDB 3d03 EBI.png Alpha and beta proteins a+b Metallo-dependent phosphatases Metallo-dependent phosphatases GpdQ-like Glycerophosphodiesterase GpdQ EBI License"
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