Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
Different colonies of Aspergillus spp. (mold) grown on an agar plate.
Hand made cross section of a branch from a knotweed plant, Reynoutria japonica, showing the cortex at 40x with polarization.
A closeup of the polluted river in the Rio Tinto Mining Park under the sunlight in Spain
This April 2021 photo shows the orange-red waters of the Ōpārara River contrasted against the rainforest in Kahurangi National Park near Karamea, Aotearoa New Zealand.
multi connect 3d render illustration glass
Aereal view of water near San Francisco Bay
Sea water on the coast of Guinea Bissau
Cefazolin, cefazoline, cephazolin molecule. It is s beta-lactam antibiotic, first-generation cephalosporin. Molecular model. 3D rendering. 3D illustration
Sunny vitamin D3 supplement capsules in a wooden spoon in a woman's hand on a white background. Pills, medications and vitamins. Close-up
Lonely small boat moored on a beach in Phu Quy island, Binh Thuan province
Beautiful abstract photography of mold in a pan
Utah, USA-September 10, 2011: The Yellow Stone National Park is one of the Natrual Wonders in the world. Here is the beautiful scenery of the National Park.
Micro bacterium tuberculosis 3+ moderate red cells on blue background .Medical science background concept.
Aquatic plants under a thin layer of ice
Apigenin, found in many plants, is a natural product belonging to the flavone class that is the aglycone of several naturally occurring glycosides. 3d illustration
Marbles on orange background.
A scientist holding a petri dish with germs in the shape of Armenia.(series)
Nocardia form partially acid-fast beaded branching filaments. Lungs, brain, and skin can be infected.
Host cells with spores (mold) are inside wood under the microscope for education.
Rotten food
Blue-green algae cover the surface of the flowering water river with a film along the coast. River water pollution. Environmental problems.
Coronavirus 2019-nCov novel corona virus concept.
Taked in Japan
Oil droplets and acrylic paint abstract work
Tryptophan or Trp is an amino acid that is used in the biosynthesis of proteins. 3d illustration
Andrographis paniculata extract capsule or herbal medicine powder in capsule pills, antivirus covid-19
plasticine speech bubble on isolated background Clipping path
Escherichia coli, a part of the human microbiome and the most common cause of urinary tract infection. The
Hichrome uti agar, blood agar, SS agar, TCBS agar media for bacteria culture growth in microbiology room.
Close up photo of green raw olives. No people are seen in frame. Shot with a full frame mirrorless camera.
Free Images: "bestof:Escherichia coli methylenetetrahydrofolate reductase - PDB id 1b5t.jpg EBI License 1b5t Oxidoreductases"
EC 1.5.1.20 - Escherichia coli methylenetetrahydrofolate reductase - PDB id 1b5t.jpg
PDB 1b5t EBI.jpg
1aop_SulfiteReductase.jpg
Terms of Use   Search of the Day