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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).
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.
Inside protein molecule
3D cartoon and Gaussian surface models. chain id color scheme, PDB 5zjd, white background.
Nucleosome, molecular model. 3D illustration. The nucleosome consists of a DNA double helix wrapped around a core of histone proteins.
Hemp Floral Wax in a petri dish
Backgrounds of Bacteria and Mold under the microscope in Lab.
Cells in the body examined by endoscope
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
Infection disease - 3d rendered image. Abstract pathogen scene. Microscopic view. Infection, disease microbiology concept. Fungal, mold, mushroom, spore, yeast, bacteria, yeast image.  SEM (TEM) view.
DNA close-up, DNA Molecule Model, DNA Strands, DNA animation
Different germs in the human intestines called microbiome,Bacteria Lactobacillus in human intestine,Beneficial healthy intestinal bacterium microflora,Gut bacteria
B-chain pentamer and A-chain subunit (green), 3D cartoon and Gaussian surface model, white background
Close-up shooting of a green agate stone mineral surface isolated on white background. Its a macro shot shows nature beautiful details with back lit. Agate is a kind of natural gemstone. Abstract pattern. Good for Wallpaper texture background. Turquoise, blue
DNA Strings On White Background. Medical Research, Gene Engineering And Biotechnology Concept
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.
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.
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.
Biological protein and molecule, 3d rendering. 3D illustration.
DNA A-T Pair
3D cartoon and Gaussian surface models, chain id color scheme, PDB 5y0m, white background
Shiny artificial molecular structure in many colors. Horizontal composition, isolated on black background.
c-Myc and Max transcription factors bound to DNA. 3D illustration. Atoms shown as spheres with conventional color coding.
Bacteria pathogen - 3d rendered microbiology image. Illustrate of Lactobacillus Bulgaricus Bacteria, Microbacterium Tuberculosis Bacteria (MTB). Medical research, health-care concept. SEM (TEM) scanning view
Bacterial multidrug efflux pumps (E-CmeB) expel antibiotics  from inside the bacterium (bottom): ciprofloxacin (yellow), chloramphenicol (violet),  ampicillin (red).
A ribbons model of Human Insulin. Isolated on white.
3D CG rendered image of scientifically accurate Feline Panleukopenia Virus (cat distemper virus) Capsid Structure based on PDB : 1FPV (surface style)
Slice of natural crystal for patterns and textures use with high resolution.
Free Images: "bestof:PDB 1l1o EBI.jpg All beta proteins OB-fold Nucleic acid-binding proteins Single strand DNA-binding domain SSB Replication protein A 70 KDa subunit RPA70 EBI"
2ph1 pdb gallery nucleotide binding-protein-2 (MinD homolog).svg
Hepatitis B virus v2.svg
Stat domain structure (zh-cn).svg
Proteinoxidation 03.svg
Complement pathway.svg
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