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Chain of Amino Acid. Proteins consist of one or more chains of amino acids called polypeptides

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

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

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

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.

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

Cell Membrane and Molecules, 3d rendering. Computer digital drawing.

Dna structure on science background. 3d illustration

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

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

A model of a nucleosome. Isolated on black.

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

Cell Membrane Phospholipid Structure,Phospholipid bilayer of the cell membrane,Lipid bilayer

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

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

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

Bilayer Lipid Membrane - 3d rendered image of Cell Membrane Phospholipid Structure, Phospholipid bilayer of the cell membrane. Abstract medical illustration. Microscopic view. Microbiologic research concept.

Immunotherapy of Alzheimer's disease: Monoclonal antibody (light blue) bound to an amyloid beta peptide (orange), that is aggregated to amyloid beta fibrils, which build up amyloid plaques.

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

A ribbons model of an antibody, also known as immunoglobin. The immune system produces antibodies (using white blood cells) which then identify and attack viruses and bacteria.

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

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

Science background with molecule or atom

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.

Chloride channels conduct chloride anions across cell membranes, regulating the electrical excitation of skeletal muscles and the flow of salt and water across epithelial barriers. They also play an importante role in regulation of pH, volume homeostasis, organic solute transport, cell migration, cell proliferation and differentiation.Genetic defects in Cl- channels underlie several familial muscle and kidney diseases.

An antibody, also known as an immunoglobulin, is a large, Y-shaped protein used by the immune system to identify and neutralize foreign objects such as pathogenic bacteria and viruses. 3D cartoon and Gaussian surface models with differently colored chains, white background.

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

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