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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).

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

Covid-19 Coronavirus Variants Omicron Delta Gamma Beta Alpha Pandemic Virus Disease Mutation

Structure of novel coronavirus spike receptor-binding domain (pink) complexed with its receptor ACE2 (blue), surface modeel, 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.

Chain of amino acid or bio molecules called protein - 3d illustration

Textured cells under heavy magnification

Gamma secretase protein complex. Multi-subunit intramembrane protease that plays role in processing of proteins. 3D illustration.

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.

$A model of the phospholipid bilayer structure that makes up living cells and their contents. Its raw, beautiful appearance evokes images of biology and biochemistry. It can be used in magazines and textbooks and on the covers of presentations.\nThis image was not created by AI.$

B-chain pentamer and A-chain subunit (green), 3D cartoon and Gaussian surface model, white background

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

Liver Fluke Section under light microscope with white background

3D CG rendered image of scientifically accurate Feline Panleukopenia Virus (cat distemper virus) Capsid Structure based on PDB : 1FPV (surface style)

Different germs in the human intestines called microbiome,Bacteria Lactobacillus in human intestine,Beneficial healthy intestinal bacterium microflora,Gut bacteria

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

Blastomycosis is a fungal infection caused by inhaling Blastomyces dermatitidis spores. If it involves only the lungs, it is called pulmonary blastomycosis. Only about half of people with the disease have symptoms, which can include fever, cough, night sweats, muscle pains, weight loss, chest pain, and feeling tired.

3D cartoon and Gaussian surface models, chain id color scheme, PDB 5y0m, white background

Nucleosome, molecular model. 3D illustration. The nucleosome consists of a DNA double helix wrapped around a core of histone proteins.

$Abs Virus - 3d rendered image like colorized scanning electron micrograph. Scene showing virus (yellow) emerging from infected cell.\nConcept of coronavirus that’s causing a global pandemic. Covid-19, Sars-cov-2 alpha, betta, gamma, delta, lambda variant, 2019-nCoV, Coronavirus.\nSEM, TEM, hologram view.$

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

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.

The NEK-7 independent NLRP3 inflammasome in it's hexameric conformation with ADP (red) bound. Inflammasomes are a promising target for the treatment of autoimmune diseases. PDB entry: 7zgu.

Slice of natural crystal for patterns and textures use with high resolution.

3D cartoon and Gaussian surface models, PDB 6p8e, white background

Photomicrograph of filamentous blue-green algae, Oscillatoria species. Each band along the stand is one cell. This filament is very short probably having recently parted from a longer one. Filaments are typically many times longer. This algae is mobile, it moves and twists through the water. San Francisco Bay, California, USA. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination. Note - motion blur of live specimen, very shallow depth of field, chromatic aberration and uneven focus are inherent in light microscopy.

Free Images: "bestof:PDB 3dll EBI.png All alpha proteins Long alpha-hairpin Ribosomal protein L29 L29p Ribosomal protein L29 L29p Ribosomal protein L29 L29p All alpha proteins PABP"

Melissodes_lupina,m,back,Lincoln_Co,_WY_2016-02-25-11.48.jpg

Melissodes_lupina,m,face,Lincoln_Co,_WY_2016-02-25-12.03.jpg

Melissodes_lupina,m,side,Lincoln_Co,_WY_2016-02-25-12.14.jpg

2ph1 pdb gallery nucleotide binding-protein-2 (MinD homolog).svg

Main protein structure levels pl - secondary structure.svg

Protein primary structure zh (zh-tw).svg

Cell membrane detailed diagram blank.svg