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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

Cells in the body examined by endoscope

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

3d Rendering Molecular Structure,Ozone,Hydrogen and oxygen

3D cartoon and Gaussian surface models, chain id color scheme, PDB 7t3a, white background

Inside protein molecule

Zearalenone or ZEN or RAL is a potent estrogenic metabolite. 3d illustration

nanotechnology and abstract graphene structures

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

Energy exchange of electrons between atoms

DNA close-up, DNA Molecule Model, DNA Strands, DNA animation

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

3D cartoon and Gaussian surface models, PDB 5fwk, white background

Computer generated abstract concept image of 3d spheres like metaphor of abstract business processes.

Acetylcholine receptors in the lipid layer of cell membrane.

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.

p53 (blue) tagged with ubiquitin (yellow) is degraded into small peptides by a proteasome (violett). p53 prevents cancer formation and acts as a guardian of the genome. Mutations in the p53 gene contribute to about half of the cases of human cancer.

Molecular structure of Sulfur dioxide SO2

Science background with molecule or atom

A ball-and-stick molecular model of the hormone Orexin, also known as Hypocretin. Orexin is involved in the regulation of the sleep/wake cycle and it stimulates apetite, wakefulness and energy expenditure. It has been linked with Alzheimer's disease. Isolated on white.

3D cartoon and Gaussian surface models, PDB 6rwb, white background

DNA A-T Pair

Biological protein and molecule, 3d rendering. 3D illustration.

A conceptual image of an abstract network of multi-coloured organic strands arranged in a non regular pattern all connected together in a complex manner. The network is made from smaller multi-coloured squares and polyhedra, in vivid colours against a pastel toned background. Shows background and foreground elements to the structure.

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.

Computer generated 3D render of ball and stick molecules.

Tryptophan or Trp is an alpha-amino acid that is used in the biosynthesis of proteins, 3d illustration

A ball and stick model of Human Insulin. Isolated on black.

3D cartoon and Gaussian surface models, PDB 4cmh, white background

Digital background depicting innovative technologies in (AI) artificial systems, neural interfaces and internet machine learning technologies

Free Images: "bestof:PDB 1xnn EBI.jpg All alpha proteins Nuclear receptor ligand-binding domain Nuclear receptor ligand-binding domain Nuclear receptor ligand-binding domain"

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CD8 receptor.svg

Protein 7 domen.svg

Greek lc alpha.svg

Insulin glucose metabolism ZP.svg

Insulin glucose metabolism ZP-ca.svg

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AlphaHelixSection (blue).svg

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Alpha Dive Flag.svg

2-hydroxy-2-methylbutyric acid.svg

Example image.svg

Adherens Junctions structural proteins gl.svg

Insulin glucose metabolism ZP (it).svg

Cellular tight junction-gl.svg

Schottky barrier forward bias.svg

Schottky barrier zero bias.svg

Schottky barrier reverse bias.svg

Straddling gap heterojunction band diagram.svg

Band filling diagram.svg

Semiconductor vacuum junction.svg

Schottky barrier minority carrier injection.svg

Metal semiconductor junction Schottky approximation.svg

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Photoelectric diode forward bias.svg

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