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.
3D cartoon and Gaussian surface models, PDB 6vg8, white background
orange: RNA primer; red: RNA template; light blue: proofreading riboexonuclease; mid blue: helicase; dark blue: RNA directed RNA polymerase; violet: non structural proteins (NSPs).
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.
The crystal structure of the tumor marker protein. The 3D model of the biological macromolecule.
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.
Neurotoxin concept Neurotoxin of type A of bacterium Clostridium botulinum which causes food intoxication botulism, molecular model 3d rendering
Abstract geometric shape
Gamma secretase protein complex. Multi-subunit intramembrane protease that plays role in processing of proteins. 3D illustration.
Different germs in the human intestines called microbiome,Bacteria Lactobacillus in human intestine,Beneficial healthy intestinal bacterium microflora,Gut bacteria
Structure of novel coronavirus spike receptor-binding domain (pink) complexed with its receptor ACE2 (blue), surface modeel, white background
3D generated image
Nirmatrelvir inhibits the 3C-like protease of the SARS-CoV 2 virus. The coronavirus 3CL hydrolase enzyme, also known as the main protease, is essential for the maturation of the virus.
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.
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.
Conjugal of DNA to primary antibodies with protein G and linker for multiplexed cellular targeting: 3D rendering
Brain-derived neurotrophic factor (3d), also known as BDNF, a protein that supports the survival of existing neurons, and encourages the growth and differentiation of new neurons and synapses.
Different germs in the human intestines called microbiome,Bacteria Lactobacillus in human intestine,Beneficial healthy intestinal bacterium microflora,Gut bacteria
3D cartoon and Gaussian surface models. PDB 2aai, white background.
Freshness capsule
Glucose-6-phosphate dehydrogenase (G6PD) protein. Enzyme of the pentose phosphate pathway that generates co-enzyme NADPH. 3D illustration.
DNA A-T Pair
Aztreonam (left, orange) inhibits the beta-lactamase from Acinetobacter species. Avibactam (red) inhibits the beta-lactamase (blue) of Clostridioides difficile.
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. Hologram view. SEM.
3D CG rendered image of scientifically accurate Adeno-Associated Virus (AAV) Capsid Structure based on PDB : 1LP3 (capsomere)
chromosome,Human genome concept
3D cartoon and Gaussian surface models, chain entity color scheme, PDB 4oo8, white background
Multicolored flowing and interweaving fusion of spheres 3D abstract concept.
3D model of a protein molecule. The spatial oriented structure of the macromolecule.
Dengue virus cell. 3D Render
Free Images: "bestof:PDB 1u0b EBI.jpg All alpha proteins Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases Anticodon-binding domain of a subclass of class"
Fungus.jpg
New_Zealand_DX_class_locomotive..jpg
People in workshop class.jpg
Class in the field.jpg
Man working in class.jpg
Children outdor education class.jpg
Man intently listening during class.jpg
Background rocks.jpg
Bagram_Language_School.jpg
111002-F-NI803-011.jpg
Coast guard helicopters divers jumping.jpg
School_of_Music_class_130319-N-ZK564-500.jpg
121103-Z-NI803-227.jpg
111002-F-NI803-013.jpg
Steam locomotive (1).jpg
Sumatra_meulaboh_mosque.jpg
Starbright.jpg
Impala African mammal.jpg
Bactrain camels.jpg
Camel in Egypt.jpg
111225-Z-NI803-048.jpg
131106-Z-NI803-247.jpg
131106-Z-NI803-244.jpg
120204-Z-NI803-075.jpg
160319-N-QF605-022.jpg
160315-N-ZE250-113.jpg
Go!_111106-F-NI803-039.jpg
150307-Z-NI803-065.jpg
Milford_Wanderer..jpg
130911-Z-NI803-072.jpg
Pronghorn antelope herd.jpg
Pronghorn antelope female antilocapra americana.jpg
Eland and topi Tanzania mammals animals.jpg
Oribi African mammal animal ourebia ourebi.jpg
South African gemsbok oryx gazella African mammal.jpg
Herd of pronghorn antelope animals antilocapra americana.jpg
Pronghorn antelope male antilocapra americana.jpg
Pronghorn antelope male in breeding plumage.jpg
Pronghorn antelope resting among trees.jpg
Pronghorn antelope runs gingerly across a meadow.jpg
Pronghorn does animals mammals antilocapra americana sonoriensis.jpg
South African oryx or gemsbok African mammal.jpg
Piston mechanisms steam locomotive.jpg
Concorde.highup.arp.750pix.jpg
Scenic view of several pronghorn grazing in forefront with hills.jpg
Antelope in a field at Sevilleta national wildlife refuge in New Mexico.jpg
Penisular pronghorn endengered mammal specie antilocapra americana peninsularis.jpg
Flying Scotsman 2005.jpg
1905_07_29_Page_2b.jpg
1905_07_29_Page_2a.jpg
130911-Z-NI803-064.jpg
131018-Z-NI803-043.jpg
131018-Z-NI803-086.jpg
London Bus 236 at its terminus at Finsbury Park Station.jpg
140902-Z-NI803-479.jpg
March_on_Washington_for_Jobs_and_Freedom.jpg
Miami Beach port with coast guard ships.jpg
Diet-Face-Fashion.jpg
Mediterranean_Sea_political_map-mk.svg
June_1917_Class_of_Victoria_High_School.jpg
Class S amplifier.svg
Prostanoic Acid.svg
Biological classification S Pengo.svg
Biological classification L Pengo tweaked.svg
Fire Class A.svg
Fire Class C.svg
Coddington-magnifier.svg
Blackskate.svg
Greek letter tau2.svg
Kreuz prot.svg
Kairyu general arrangement sections.svg
Fire Class B.svg
Markierung Rollstuhl.svg
21 electrodes of International 10-20 system for EEG.svg
I-400 class deck compartment plan.svg
Wikimedia Usability Initiative logo notext.svg
Bomb.svg
FlyingDropletSiphon.svg
Degas_-_Tanzklasse.jpg
Selangor.svg
ZL-Trenner.svg
Centralny okrug, Omsk, locator map.svg
Leninsky okrug, Omsk, locator map.svg
Sovetsky okrug, Omsk, locator map.svg
Road marker Red blank.svg
Ear of corn.svg
I-201 class general arrangement sections.svg
Paris Metro Ligne 9.svg
Paris Metro Ligne 11.svg
Paris Metro Ligne 12.svg
Crimea lantern.svg
Кустодиев_-_Портрет_Шаляпина_(1922).jpg
Ледантю_-_Сазандар.jpg
Петров-Водкин_-_Полдень_(1917).jpg
Carl_d´Unker-Second_Class_Waiting-Room.jpg
1946LincolnZepher.jpg
Kerensky.jpg
Mach band90.svg
Kirovsky okrug, Omsk, locator map.svg
Oktyabrsky okrug, Omsk, locator map.svg
Terms of Use   Search of the Day