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A ball and stick model of Human Insulin. Isolated on black.
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
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
Lily leaf c.s. under microscope
DNA A-T Pair
Science background with molecule or atom
Cell Membrane Phospholipid Structure,Phospholipid bilayer of the cell membrane,Lipid bilayer
DNA close-up, DNA Molecule Model, DNA Strands, DNA animation
What micro plastic is made of - Chemical ingredients.\nClose up of microplastic on finger concept of water pollution and global warming
B-chain pentamer and A-chain subunit (green), 3D cartoon and Gaussian surface model, white background
Bacteria pathogen - 3d rendered microbiology image. Illustrate of Lactobacillus Bulgaricus Bacteria, Microbacterium Tuberculosis Bacteria (MTB). Medical research, health-care concept. SEM (TEM) scanning view
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
Covid-19 Coronavirus Variants Omicron Delta Gamma Beta Alpha Pandemic Virus Disease Mutation
Mitochondria is a double membrane-bound organelle found in all eukaryotic organisms. are related to the cellular respiration process. 3D illustration
Cells in the body examined by endoscope
DNA Strings On White Background. Medical Research, Gene Engineering And Biotechnology Concept
3d rendering of Easter eggs background
3D cartoon and Gaussian surface models. PDB 3kqg, chain id color scheme, 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.
The calcitonin gene related peptide (yellow) binds to its receptor (blue) on neurons and smooth muscle cells of cerebral blood vessels, activating a signal cascade through G-proteins (dark blue) in this cells that  leads to a dilatation of the blood vessels (vasodilatation).
nanotechnology and abstract graphene structures
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
Shiny artificial molecular structure in many colors. Horizontal composition, isolated on black background.
Breast Cross Section of Fat .
3D Rendered Illustration, visualization of Neurons firing neurotransmitters in the synaptic gap.
3D cartoon model, secondary structure color scheme, PDB 5lb8, 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.
HER2 (light blue)  locked in the inactive conformation by Trastuzumab (left) and Pertuzumab. Trastuzumab has drastically improved the prognosis of HER2-positive breast cancer patients.
A ball and stick model of a Polytetrafluoroethylene molecule, also known as PTFE or most commonly Teflon. It is a polymer consisting of only carbon and fluorine atoms. It is used as a non-stick coating for cookware, as a lubricant, and it is also used to contain highly reactive chemicals as it is extremely non-reactive.
Free Images: "bestof:Tuberculosis (5880423387).jpg Computer model of the defined structure for the cyclic AMP receptor protein CRP found in Mycobacterium tuberculosis The two"
R207319 structure.svg
TMC207 structure Andries et al.svg
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portugues-sexo_alemão-sex_ingles-sex_africano-seks_russo-секс_albanes-sex_chines-性別_bulgaro-секс_croata-spol_gales-rhyw_coreano-섹스_frances-sexe_japones-セックス_filandes-sukupuolesta_arabe-الجنس_prontos_ai_tens_em_15_linguas_a_p.jpg
portugues-sexo_alemão-sex_ingles-sex_africano-seks_russo-секс_albanes-sex_chines-性別_bulgaro-секс_croata-spol_gales-rhyw_coreano-섹스_frances-sexe_japones-セックス_filandes-sukupuolesta_arabe-الجنس_prontos_ai_tens_em_15_linguas_a_p.jpg
Tuberculosis (5880423387).jpg
Tuberculosis 2 (5880423479).jpg
Pyrazinamidase.png
MtFabH Acyl-CoA specificity.gif
MtFabH ribbons b-w active sites color.png
4GRV.png
2LNL.pdb.png
3RZE.png
3V2Y.png
3VW7.png
5ht2a.jpg
PDB 2oz6 EBI.png
Interleukin-1-receptor+IL-1beta 1ITB.png
Capreomycin ball-and-stick.png
TNFa Crystal Structure.rsh.png
Octaphenylcyclotetraphosphinoborane-from-xtal-3D-balls.png
Octaphenylcyclotetraphosphinoborane-from-xtal-3D-vdW.png
NAchR 2BG9.png
Tetrameric-phosphinoborane-89695-42-1-CM-3D-ellipsoids.png
Octaphenylcyclotetraphosphinoborane-from-xtal-3D-balls-noH.png
Hexaphenylcyclotrisiloxane-from-xtal-ring-3D-balls.png
Octaphenylcyclotetraphosphinoborane-core-from-xtal-3D-sticks.png
TBu2SnO-cyclic-trimer-from-xtal-1984-Mercury-3D-balls.png
PhAsO-cyclic-tetramer-from-xtal-1999-Mercury-3D-balls.png
Pd(OAc)2-trimer-from-xtal-Mercury-3D-balls-A.png
Pd(OAc)2-trimer-from-xtal-Mercury-3D-balls-B.png
Octaphenylcyclotetraphosphinoborane-core-from-xtal-3D-balls.png
RORC 3L0L.png
LDLR Binding Module5 1ajj.PNG
Lapatinib 1XKK.png
Mezcala_-_Temple_Model_-_Walters_2009204.jpg
Determinants of Gastric Acid Secretion.png
Circa_1915_Photograph_of_the_Baltimore_County_Almshouse.jpg
Professor_James_Meade_with_Phillips_Machine,_1996.jpg
Professor_A.W.H_(Bill)_Phillips.jpg
Non-Native American Nations Control over South America 1700 and on.gif
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