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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
Firing Neurons - 3d rendered image of Neuron cell network on black background.  Conceptual medical illustration.  Healthcare concept. SEM [TEM] view. Glowing neurons signals.
3D cartoon and Gaussian surface models, chain id color scheme, PDB 7t3a, white background
H2 Hydrogen Molecule Fuel Cell Element Vehicle Biodegradable Ethical Renewable Energy
A ball and stick + ribbons model of beta-secretase - a protein that is important in forming healthy peripheral nerve cells, but is also involved in the onset of Alzheimer's disease.
Zearalenone or ZEN or RAL is a potent estrogenic metabolite. 3d illustration
Nucleosome structure. Structure of an oligonucleosome, showing the packaging of DNA in chromosomes. 3D illustration.
3d Rendering Molecular Structure,Ozone,Hydrogen and oxygen
The calcitonin gene related peptide (yellow) binds to its receptor (blue) on neurons and smooth muscle cells of cerebral blood vessels, activating a signal cascade through G-proteins (dark blue) in this cells that  leads to a dilatation of the blood vessels (vasodilatation).
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.
Cell membrane cholesterol is shown in pink. 3D cartoon and Gaussian surface models, PDB 7rpk, white background.
Cell Membrane Phospholipid Structure,Phospholipid bilayer of the cell membrane,Lipid bilayer
Coxsackie virus internal structure, 3d illustration set isolated on white
Cells in the body examined by endoscope
Chain of amino acid or bio molecules called protein - 3d illustration
Stem of Nerium indicum T.S. under light mircoscope with white background
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.
A model of a nucleosome. Isolated on black.
3D cartoon and Gaussian surface models, PDB 6kxs, white background
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.
CRISPR-CAS9 (3d structure), a gene editing complex from Streptococcus pyogenes. CRISPR are segments of prokaryotic DNA containing short, repetitive base sequences.
Dna structure digital concept
Linagliptin or Tradjenta is a medication used to treat diabetes mellitus type 2. 3d illustration
Conceptual global crisis of Covid-19 virus epidemic. Covid-19 virus illustration downloaded from CDC than layered and manipulated. for more information please visit Centers for Disease Control and Prevention web site: https://www.cdc.gov/media/subtopic/images.htm
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.
What micro plastic is made of - Chemical ingredients.\nClose up of microplastic on finger concept of water pollution and global warming
3D cartoon and Gaussian surface models, PDB 6gu2, white background
ATP Synthase Protein - 3d rendered image. Medical microbiology concept.  Structure and conformational states of the bovine mitochondrial ATP (Adenosine triphosphate) synthase. Chemical energy is synthesized in eukaryotic cells primarily. Hydrolase. Hologram view. HUD, FUI
Botulinum toxin (3d structure) which prevents the release of the neurotransmitter acetylcholine from axon endings at the neuromuscular junction. Infection with the bacterium causes botulism.
neutrons electrons Network,Neuron system,Neurons cells concept.
Free Images: "bestof:1FYT T-cell receptor and HLA class II complex.png en The crystal structure of HLA II DR T-cell receptor and hemagglutinin peptide complex <br/> blue HLA class"
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