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

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

orange: RNA primer; red: RNA template; light blue: proofreading riboexonuclease; mid blue: helicase; dark blue: RNA directed RNA polymerase; violet: non structural proteins (NSPs).

$The three-dimensional structure of proteins is represented in a variety of conformations. This image is based on the ribbon structure of a protein. It is suitable for biology notebooks and book covers.\nThis image has not been created by AI.$

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

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

Ribonucleic acid strands consisting of nucleotides important for protein bio-synthesis - 3d illustration

Textured cells under heavy magnification

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.

GABA B receptors are G protein-coupled receptors, also called metabotropic receptors. Binding of an agonist (baclofen, red) leads to a G-protein coupled C-AMP signaling pathway. Source: PDB entries 7eb2, 6r3q,.

$Phospholipid bilayer membrane structures that make up living cells and their contents. This is an image of membrane proteins in the membrane.\nThis image, which looks like a plastic model, evokes biology and biochemistry. It can be used as a cover for magazines, textbooks and presentation materials.\nThis image was not created by AI.$

Spike glycoprotein homotrimer, a main target for neutralization antibody, to bind its receptor, and mediate membrane fusion and virus entry. Surface model, white background.

anaplastic thyroid carcinoma with heterologous differentiation (leiomyosarcoma)

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

Liver Fluke Section under light microscope with white background

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.

Cerebellar cortex immunostained for glial fibrillary acidic protein (GFAP) a marker of astrocytes that are located in the granular layer. In the molecular layer, the parallel radial processes that reach the pial surface belong to Bergmann glia or Golgi epithelial cells.

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

Shiny artificial molecular structure in many colors. Horizontal composition, isolated on black background.

3D cartoon and Gaussian surface models, PDB 2gjx, white background

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.

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

Abstract Lactobacillus Bulgaricus Bacteria - 3d rendered microbiology image. Medical research, health-care concept. SEM (TEM)scanning view

mRNA (multicoloured strand) is decoded in a ribosome to produce an aminoacid chain, that folds into a protein (red). tRNA (dark violet) molecules carry single aminoacids that are incoporated into the growing chain.

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.

3D cartoon and Gaussian surface models, PDB 2j0D, white background.

A model of a molecule of arginine, an amino acid. Amino acids are the building blocks of proteins and have many functions in metabolism. In particular, Arginine has an important function in the immune system, wound healing and cell division.

Free Images: "bestof:PDB 2rdo EBI.png All alpha proteins Long alpha-hairpin Ribosomal protein L29 L29p Ribosomal protein L29 L29p Ribosomal protein L29 L29p All alpha proteins DNA"

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

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

Main protein structure levels pl - secondary structure.svg

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