Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
A ribbons model of Human Growth Hormone, also known as Somatotropin, with a translucent surface model.
HER2 (light blue) and HER3 form a potent pro-oncogenic heterocomplex.  They play a  crucial role in cellular proliferation, survival, and differentiation.
Frataxin (human) mitochondrial protein. Reduced expression causes Friedreich's ataxia. 3D illustration. Cartoon & wireframe representation.
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.
3D cartoon model, chain id color scheme, based on PDB 5toa, white background.
DNA Helix - 3d rendered image. Genetic research concept. Complex spiral structure illustration. Medical, science, genetic biotechnology, gene cell, chromosome idea. DNA strands on dark background . Science nanotechnology. Hologram view. HUD, FUI, SEM
CRISPR-CAS9 (3d structure), a gene editing complex from Streptococcus pyogenes. CRISPR are segments of prokaryotic DNA containing short, repetitive base sequences.
3d rendering, abstract futuristic background.spiral tunnel
Prions do not contain genetic materials, Unlike other infectious agents, such as bacteria, viruses, and fungi. Isolated prions in the dark background 3d rendering
Cell Membrane Phospholipid Structure,Phospholipid bilayer of the cell membrane,Lipid bilayer
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.
Cytochrome P450 molecule. CYP 3A4 is the most promiscuous of the human CYP enzymes. Molecular model. 3D rendering. Illustration
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.
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
The androgen receptor (AR), also known as NR3C4 (nuclear receptor subfamily 3, group C, member 4), is a type of nuclear receptor that is activated by binding any of the androgenic hormones, including testosterone and dihydrotestosterone in the cytoplasm and then translocating into the nucleus. 3D cartoon model with the differently colored elements of the secondary structure, 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.
The crystal structure of the tumor marker protein. The 3D model of the biological macromolecule.
Orange colored ball standing on the twisted wavy purple colored ribbon with blocks. (3d render)
Aromatase (estrogen synthase) enzyme. Protein responsible for the key step in the synthesis of estrogens. 3D illustration. Cartoon representation.
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.
A new antibiotic (zosurabalpin, red) traps lipopolysaccharide (orange) in the intermembrane transporter of the Gram-negative bacterium Acinetobacter baylyi
Molecular Model of Human Insulin with disulfide bonds shown.
3D cartoon and Gaussian surface models, PDB 2zva, white background
AI will enable advances in genetic modification technology to treat intractable diseases.
DNA Helix - 3d rendered image. Genetic research concept. Complex spiral structure illustration. Medical, science, genetic biotechnology, gene cell, chromosome idea. DNA strands on dark background . Science nanotechnology.
Cytochrome P450 molecule. CYP 3A4 is the most promiscuous of the human CYP enzymes. Molecular model. 3D rendering. Illustration
3D model of a protein molecule. The spatial oriented structure of the macromolecule.
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.
TRPV1 is an ion channel that senses heat, regulates the body temperature and contributes to pain sensation. Source: PDB entry 5is0.
Cell Membrane Phospholipid Structure,Phospholipid bilayer of the cell membrane,Lipid bilayer,lipid bi-layer cell anatomy
Free Images: "bestof:PDB 1ujw EBI.jpg Coiled coil proteins Antiparallel coiled-coil Colicin E3 receptor domain Colicin E3 receptor domain Colicin E3 receptor domain EBI License 1ujw"
Bird-Profile-Wellington-New-Zealand.jpg
Camera.jpg
Blueberry_Plant.jpg
Forest_Lake.jpg
Indoor_Escalator.jpg
Large_Waterfall.jpg
Terrain.jpg
Lost_Place_Beelitz_Public_Domain.jpg
Bicycle_in_City.jpg
Emu_Head.jpg
Yellow_Plant_Leaves.jpg
Person_Examining_Soil.jpg
Macro_Dew_Drops.jpg
Beach_with_People.jpg
Macro_of_Grass.jpg
Pregnant_woman.jpg
TraarbaraGruzÅoseo.JPG
Geometric_Structure.jpg
Window_and_Lines.jpg
Vintage_Doorbell.jpg
Tower_Viewer.jpg
Mountain_Landscape.jpg
Boardwalk_on_a_Lake.jpg
Portrait_of_a_Bull.jpg
Foggy_Forest.jpg
Macro_of_Seed_Heads.jpg
Floating_Lily_Pads.jpg
Hillside_Cottage_with_Vegetation.jpg
Yellow_Flowers.jpg
Two_Machine_Gears.jpg
Forest_with_Shrubs.jpg
Outdoor_Plant_in_Rain.jpg
Mountains_with_Snow_and_Clouds.jpg
Cityscape.jpg
Pickup_in_a_Desert_with_Sun.jpg
Native_American_Dream_Catcher.jpg
Sparkling_Lights.jpg
Lavender_Flowers.jpg
Clouds_Over_Forested_Hills.jpg
Boot_Stepping_in_a_Water_Puddle.jpg
Group_of_Glossy_Pebbles.jpg
Yellow_Autumn_Tree_Leaves.jpg
Field_of_Purple_Flowers.jpg
Child's_Red_Tricycle.jpg
Rows_of_Green_Trees.jpg
Dry_Grass_in_a_Field.jpg
Vintage_Rusted_Machines.jpg
Incandescent_Outdoor_Bulbs.jpg
Water_Droplets_from_a_Fountain.jpg
Person_Walking_Through_a_Forest.jpg
Coffee_Filter.jpg
Donkey_on_a_Farm.jpg
Indoor_Architectural_Skylight.jpg
Small_White_Flowers.jpg
Hallway_Stairs.jpg
Sandy_Beach_with_Natural_Debris.jpg
Female_Sitting_Outdoors_Viewing_a_Landscape.jpg
Green_Wooded_Path.jpg
Sleeping_Cat.jpg
Wooded_Park.jpg
Pine_Forest.jpg
Floating_Water_Lily_Pads.jpg
Shipyard_Warehouse.jpg
Bird_on_a_Light_Pole.jpg
Flaming_Grill.jpg
Outdoor_Wooden_Patio_Chair_by_a_Window.jpg
Group_of_Clouds.jpg
Autumn_Trees.jpg
Scenic_Hilly_Grasslands.jpg
Scenic_Blue_Lake.jpg
A_Professional_Pickaninny.jpg
Village_by_a_Forest_with_Green_Plants.jpg
Wooden_Deck_Overlooking_a_Lake.jpg
Windows_at_Airport.jpg
Snowy_Landscape.jpg
Orange_Pumpkins.jpg
Green_Trees_Background.jpg
Apple_iPad.jpg
Smartphone_with_Earbuds.jpg
Flowering_Plant_Background.jpg
Curved_Country_Road.jpg
Light_Purple_Flowers.jpg
Yellow-Green_Plant_Leaves.jpg
Art_Vendor.jpg
Seaweed_and_Underwater_Plants.jpg
Helicopter_in_Billowing_Clouds.jpg
Hauling_Ship_in_Ocean.jpg
Volkswagen_with_Canoes.jpg
Tree_Branches_Background_Texture.jpg
photo-1416361604834-ae5e0faf3728.jpg
Wood_Pier_on_Lake.jpg
Kodak_Vintage_Camera.jpg
Tree_Canopy_Background.jpg
Minimalist_Chain.jpg
Tree_Limbs_in_Park.jpg
Green_Leaves_Background.jpg
Tree_and_Sky_Background.jpg
Ocean_Water_Background_Texture.jpg
Tree_Root_in_Soil.jpg
Interior_of_Automobile.jpg
Terms of Use   Search of the Day