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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 Gaussian surface models, chain id color scheme, PDB 7t3a, white background

nanotechnology and abstract graphene structures

Nucleosome structure. Structure of an oligonucleosome, showing the packaging of DNA in chromosomes. 3D illustration.

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

Carbamide in Chemical Watch Glass with molecular structure. Chemical ingredient used in medical and public health issues.

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

3D cartoon and molecular surface models, chain id color scheme, putative membrane shown, pdb 1l7v, white background

The DNA tetrahedron is designed to be mechanically robust; it consists of rigid triangles of DNA helices covalently joined at the vertices

Copper(II) sulfate with molecular structure. Chemical ingredient used in medical and public health issues.

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.

A ball and stick model of a strand of a molecule of polyvinyl chloride, more commonly known as PVC. This vinyl polymer is one of the commonest plastics in use.

3D cartoon and Gaussian surface models, chain id color scheme, PDB 2iw2, white background

Rendered coronavirus/2019-nCoV single-stranded RNA, built from experimentally determined Ebola virus crystal structure. Color symbols - bluewhite=carbon, pink=oxygen, lightblue=nitrogen, white=hydrogen, lavender=phosphorus

3D rendering of biotinylated antibody, an engineered protein designed to bind to specific molecules. Biotin allows researchers to easily track and manipulate these antibodies.

Variety of seeds bowl on white quartz counter top

Ferrocene is an organometallic compound. The molecule consists of two cyclopentadienyl rings bound on opposite sides of a central iron atom. 3d illustration

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Bacterial multidrug efflux pumps (E-CmeB) expel antibiotics from inside the bacterium (bottom): ciprofloxacin (yellow), chloramphenicol (violet), ampicillin (red).

A ribbons model of an antibody, also known as immunoglobin. The immune system produces antibodies (using white blood cells) which then identify and attack viruses and bacteria.

3D cartoon and molecular surface model, PDB 1aa1, white background

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Constant-k Filter Transmission Parameters.svg

Ketocarboxylic Acids General Formulae V.1.svg

Fixed-points theory and variance minimization (dynamic vibration absorber) (SVG).svg

Constant-k Filter Gain with Multiple Half-Sections.svg

Comparison of properly and improperly scaled picture graph.svg