Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
organic chemistry, model of the protein molecule - illustration of a biological particle
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.
Bacterial multidrug efflux pumps (E-CmeB) expel antibiotics  from inside the bacterium (bottom): ciprofloxacin (yellow), chloramphenicol (violet),  ampicillin (red).
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
3D cartoon and Gaussian surface models, PDB 2j0D, white background.
A ball and stick + ribbons model of human Interleukin 2 or IL-2. Interleukin is a hormone which acts as a signalling molecule for the immune system.
Cell Membrane Phospholipid Structure,Phospholipid bilayer of the cell membrane,Lipid bilayer
Neurotoxin concept Neurotoxin of type A of bacterium Clostridium botulinum which causes food intoxication botulism, molecular model 3d rendering
3d rendering of ubiquitin is attached to target proteins by a process called ubiquitination
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.
Pathological phosphorylation (yellow) of Tau proteins (red-orange) leads to disintegration of microtubuli in the neuron axon an aggregation of the tau proteins. The transport of synaptic vesicles (orange-blue) is interrupted.
Immunoglobulin G (IgG) - 3d rendered image. Microbiology illustration  the structure of an antibody. The Y-shaped structure. IgG is the most common type of antibody.
Lipid bilayer cell membrane with membrane and intracellular receptors
Macro shot of colorful plastic spirals and mesh on a mirror ball.
Ferritin is a protein that contains iron and is the primary form of iron stored inside of cells. 3D cartoon model, PDB 4y08, white background
Cell Membrane Phospholipid Structure,Phospholipid bilayer of the cell membrane,Lipid bilayer,lipid bi-layer cell anatomy
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.
Frataxin (human) mitochondrial protein. Reduced expression causes Friedreich's ataxia. 3D illustration. Cartoon & wireframe representation.
A new antibiotic (zosurabalpin, red) traps lipopolysaccharide (orange) in the intermembrane transporter of the Gram-negative bacterium Acinetobacter baylyi
Evolution of nanotechnology and self-proliferation of therapeutic agents
Cytochrome P450 molecule. CYP 3A4 is the most promiscuous of the human CYP enzymes. Molecular model. 3D rendering. Illustration
DNA A-T Pair
3D cartoon and Gaussian surface models with a putative membrane shown, PDB 4p02, white background
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.
A model of a nucleosome. Isolated on black.
Interleukin 13 (IL-13) cytokine protein. 3D illustration. Cartoon representation combined with semi-transparent surfaces.
Inhibition of mTORC1 by rapamycin leads to immunosuppression, prevention of trasplant rejection and inhibition of tumor growth.
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.
Rendering of cell membrane lipids
Different germs in the human intestines called microbiome,Bacteria Lactobacillus in human intestine,Beneficial healthy intestinal bacterium microflora,Gut bacteria
Free Images: "bestof:PDB 1lgh EBI.jpg Membrane and cell surface proteins and peptides Light-harvesting complex subunits Light-harvesting complex subunits Light-harvesting complex"
swimming-pool-water-reflection-pool-1198658.jpg
swimming-pool-water-reflection-pool-1198653.jpg
Playing_soccer_with_children_in_the_Philippines_120911-N-CB621-247.jpg
orion-constellation-starry-sky-star-1655655.jpg
Delta_II_rocket_with_the_Mars_Polar_Lander.jpg
Liftoff_of_a_Titan_IVB/Centaur_carrying_the_Cassini_orbiter_and_its_attached_Huygens_probe.jpg
Melissodes_rivalis,m,back,Lincoln_Co,_WY_2016-02-25-11.13.jpg
The_Importance_of_Platinum_Elements.jpg
Hepatitis B virus v2.svg
Cellular tight junction keys.svg
TOM complex.svg
SuccDeh-gl.svg
Desmosome cell junction it.svg
Desmosome cell junction en.svg
2ph1 pdb gallery nucleotide binding-protein-2 (MinD homolog).svg
Antigen_presentation_alt.svg
Complex I.svg
Complex sine.svg
Complex sin abs 01 Pengo.svg
Complex arcsin abs 01 Pengo.svg
Electron transport chain.svg
abstract-general-education-amplitude-95721.jpg
Glycyl-L-histidyl-L-lysine.svg
ETC electron transport chain.svg
Mariner_9_views_Olympus_Mons_standing_above_the_Martian_Dust_Storm.jpg
AiryBi Abs Contour.svg
Thyroid hormone synthesis-it.svg
Thyroid hormone synthesis.svg
P450cycle.svg
Design_Analysis_of_the_P-38_Lightning.png
PDB 1lgh EBI.jpg
PDB 1kzu EBI.jpg
PDB 2fkw EBI.jpg
PDB 1jo5 EBI.jpg
PDB 1dx7 EBI.jpg
PDB 1ijd EBI.jpg
PDB 1xrd EBI.jpg
PDB 1nkz EBI.jpg
PDB 2bs2 EBI.jpg
PDB 1e7p EBI.jpg
PDB 1nen EBI.jpg
PDB 1kf6 EBI.jpg
PDB 1kfy EBI.jpg
PDB 1qlb EBI.jpg
PDB 1nek EBI.jpg
PDB 2acz EBI.jpg
PDB 1l0v EBI.jpg
PDB 2b76 EBI.jpg
PDB 3cir EBI.png
PDB 1ppj EBI.jpg
PDB 2a06 EBI.jpg
PDB 1lsh EBI.jpg
PDB 2fyu EBI.jpg
PDB 1sqx EBI.jpg
PDB 1sqv EBI.jpg
PDB 1sqp EBI.jpg
PDB 1sqq EBI.jpg
PDB 2e74 EBI.jpg
PDB 2e76 EBI.jpg
PDB 2e75 EBI.jpg
PDB 2d2c EBI.jpg
PDB 1vf5 EBI.jpg
PDB 1q90 EBI.jpg
PDB 1p84 EBI.jpg
PDB 1ntm EBI.jpg
PDB 1l0l EBI.jpg
PDB 1ntz EBI.jpg
PDB 1nu1 EBI.jpg
PDB 1be3 EBI.jpg
PDB 1bgy EBI.jpg
PDB 1qcr EBI.jpg
PDB 1bcc EBI.jpg
PDB 2bcc EBI.jpg
PDB 3bcc EBI.jpg
PDB 1kb9 EBI.jpg
PDB 1ezv EBI.jpg
PDB 1kyo EBI.jpg
PDB 1pp9 EBI.jpg
PDB 1ntk EBI.jpg
PDB 1sqb EBI.jpg
PDB 1l0n EBI.jpg
PDB 2ibz EBI.jpg
PDB 3cx5 EBI.png
PDB 3cxh EBI.png
PDB 2gnu EBI.jpg
PDB 2hg9 EBI.jpg
PDB 2hhk EBI.jpg
PDB 2boz EBI.jpg
PDB 2hh1 EBI.jpg
PDB 2bns EBI.jpg
PDB 2hg3 EBI.jpg
PDB 2bnp EBI.jpg
PDB 2hj6 EBI.jpg
PDB 2hit EBI.jpg
PDB 1z9k EBI.jpg
PDB 2gmr EBI.jpg
PDB 3d38 EBI.png
PDB 3du7 EBI.png
PDB 2ja8 EBI.jpg
PDB 2ja6 EBI.jpg
Terms of Use   Search of the Day