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3D cartoon and Gaussian surface models, PDB 2j0D, white background.
Covid-19 Coronavirus Variants Omicron Delta Gamma Beta Alpha Pandemic Virus Disease Mutation
Bacterial multidrug efflux pumps (E-CmeB) expel antibiotics  from inside the bacterium (bottom): ciprofloxacin (yellow), chloramphenicol (violet),  ampicillin (red).
Inside protein molecule
Biological protein and molecule, 3d rendering. 3D illustration.
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.
DNA close-up, DNA Molecule Model, DNA Strands, DNA animation
Textured cells under heavy magnification
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
Nirmatrelvir inhibits the 3C-like protease of the SARS-CoV 2 virus. The coronavirus 3CL hydrolase enzyme, also known as the main protease, is essential for the maturation of the virus.
Cells in the body examined by endoscope
IG-g like Antibodies are attacking a foreign protein.
Bacteria pathogen - 3d rendered microbiology image. Illustrate of Lactobacillus Bulgaricus Bacteria, Microbacterium Tuberculosis Bacteria (MTB). Medical research, health-care concept. SEM (TEM) scanning view
Calcium-binding atopy-related autoantigen 1, a protein that in humans is encoded by the CBARA1 gene.  A calcium binding atopy-related autoantigen. 3d rendering.
Liver Fluke Section under light microscope with white background
3D cartoon and Gaussian surface models, chain id color scheme, PDB 3omv, white background
molecular structure digital concept
orange: RNA primer; red: RNA template; light blue: proofreading riboexonuclease; mid blue: helicase; dark blue: RNA directed RNA polymerase; violet: non structural proteins (NSPs).
DNA A-T Pair
Biological protein and molecule, 3d rendering. 3D illustration.
Photomicrograph of two rotifers. Rapidly rotating cilia at top of heads, internal organs visible. Live specimen. Wet mount, 10X objective, transmitted brightfield illumination.
brown fat cell also called brown adipose tissue side to side with white fat cell 3d rendering
Hemp Floral Wax in a petri dish
3D cartoon and molecular surface models, chain id color scheme, putative membrane shown, pdb 1l7v, white background
plant Flower bud of Lilium brownii var.viridulum T.S.\nunder light mircoscope with white 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
This computer-generated image vividly illustrates the invasive Group A Streptococcal bacteria, as they would appear under a microscope. This visual representation helps to understand the microscopic world of Group A Streptococcus and its potential to cause serious diseases.
Transmission electron microscope micrographs  showing the aspect of muscle fiber sarcomere components in longitudinal (below) and transverse (above) sections at the Z-line, I and A bands and H zone
Abstract Genetics Disease - 3d rendered image.
Free Images: "bestof:PDB 1f7w EBI.jpg Alpha and beta proteins a+b TBP-like Cell-division protein ZipA C-terminal domain Cell-division protein ZipA C-terminal domain Cell-division"
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