Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
Isolated liposome. A liposome is a small artificial vesicle, spherical in shape 3d rendering
Photomicrograph of one celled amoeba. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination.
golden nuggets figures white background clipping path
3D cartoon and Gaussian surface models, entity id color scheme, PDB 1i7y, white background
The plant roots under the microscope
Aspergillus fumigatus is one of the most common Aspergillus species to cause disease in individuals with an immunodeficiency. This pathogen primarily causes invasive infection in the lung.
Epidermis. Electron microscope micrograph showing a keratinocyte of spinous layer. The epithelial cell has a polygonal shape, central nucleus with nucleolus, cytoplasm full of keratin filament bundles, and numerous dark desmosomes crossing the intercellular spaces.
Yeasts sprout in microscopy
Volvox microorganism from a microscopic lens.
Abstract H2, Hydrogen Icon in Water Sphere
Symbols and punctuation signs made from medical capsules
Extreme close up high angle view of green peas over white background
3D Render of Ukraine Hearts Font Quotation Mark and Comma and Period
Squash preparation of  onion root tip cells stained to reveal chromosomes,  Bright field illumination, light microscopy.  This image was taken with the X40 objective lens.  Depth of focus is extremely low at this magnification.  Smaller apertures give greater depth of focus, but image quality deteriorates and resolution is greatly reduced.  The aperture in this image was optimised for contrast and resolution. Chromatic abberation is inevitable in light microscopy, but has been kept to a minimum in this image.
Epidermis. Electron microscope micrograph of an epidermis spinous layer. The keratinocytes show polygonal shapes, central nucleus with nucleolus, cytoplasm full of keratin filament bundles, and numerous desmosomes crossing the intercellular spaces.
plant Stem of Nymphaea tetragona T.S. under light mircoscope with white background
Several clusters of human Human Embryonic Kidney 293 cells in culture. These cells are a standard cell line used in biotechnology applications, for example to produce proteins. This view is as it appears through an inverted biological phase contrast microscope with 200x magnification.
Aspergillus fumigatus is one of the most common Aspergillus species to cause disease in individuals with an immunodeficiency. This pathogen primarily causes invasive infection in the lung.
Probiotics, bacteria on white background. Bacteria and microorganisms. Microscopic probiotics, bacterial flora
Vegetables: Green Peas Isolated on White Background
KOH slide preparation of the nail scraping microscopic showed long septated hyphae and numerous arthrospores.
Photomicrograph of algae, Cosmarium turpinii, a desmid. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination.
Gram stain of the bacterium, Staphylococcus aureus. This bacteria is gram positive, as such it appears purple after staining due to the thick peptidoglycan. The round cells are also seen in clusters.
Green peas on white background. No shadow
Sago seeds flying explosion, green grain wave floating. Abstract cloud fly splash in air. Green colored Sago seeds is material food. Black background Isolated selective focus blur
Squash preparation of stained onion root tip cells showing various stages of mitosis. Differential interference contrast optics on a Leica microscope, Image taken with the X40 objective lens.  Depth of focus is extremely shallow (just a few microns).  Differential interference contrast results in an optical slice horizontally through the specimen providing maximum possible resolution at this magnification and good contrast. Chromatic abberation is inevitable in light microscopy, but has been kept to a minimum in this image.
Gram positive cocci in chain.
Digital Dispersed corona virus on petri dish. Animation of multiplication of CORONA VIRUS COVID-19
A macro shot from a microscope of some bacteria
Green peas background, full frame.
Free Images: "bestof:PDB 2prr EBI.png All alpha proteins AhpD-like AhpD-like Atu0492-like Uncharacterized protein Reut A2532 EBI License 2prr June 5 2009 Uncharacterized protein"
Notable mutations.svg
2ph1 pdb gallery nucleotide binding-protein-2 (MinD homolog).svg
TOM complex.svg
PKARII.svg
AminoAcid length distribution 2010.svg
Agaritine.svg
Main protein structure levels pl.svg
ProteinQS.svg
IFT particle chlamydomonas.svg
Primärstruktur von Proteinen2.svg
Main protein structure levels pl - secondary structure.svg
Protein primary structure zh (zh-tw).svg
Cell membrane detailed diagram blank.svg
PDB 2prr EBI.png
PDB 2oyo EBI.png
PDB 2pfx EBI.png
PDB 2q0t EBI.png
PDB 2ouw EBI.png
PDB 2qzg EBI.png
PDB 2qsb EBI.png
PDB 2oy9 EBI.png
PDB 2pyq EBI.png
PDB 2juz EBI.png
PDB 2jrx EBI.png
PDB 2qti EBI.png
PDB 2juw EBI.png
PDB 2pv4 EBI.png
PDB 2p0t EBI.png
PDB 2hsj EBI.png
PDB 2oh3 EBI.png
PDB 2gsc EBI.png
PDB 2rld EBI.png
PDB 2o6k EBI.png
PDB 2hh6 EBI.png
PDB 2o4t EBI.png
PDB 3cgh EBI.png
PDB 3ejn EBI.png
PDB 3blz EBI.png
PDB 2r4i EBI.png
PDB 3bb9 EBI.png
PDB 3b7c EBI.png
PDB 3cnx EBI.png
PDB 2rcd EBI.png
PDB 3dxo EBI.png
PDB 3en8 EBI.png
PDB 3dm8 EBI.png
PDB 3ecf EBI.png
PDB 3er7 EBI.png
PDB 2rgq EBI.png
PDB 2chc EBI.png
PDB 3d9r EBI.png
PDB 2k54 EBI.png
PDB 2dax EBI.png
PDB 2k7i EBI.png
PDB 2k49 EBI.png
PDB 2k8e EBI.png
PDB 3bid EBI.png
PDB 2o5a EBI.png
PDB 2raq EBI.png
PDB 3bpd EBI.png
PDB 2ia1 EBI.png
PDB 2oa5 EBI.png
PDB 2h3r EBI.png
PDB 2q22 EBI.png
PDB 2h4o EBI.png
PDB 2grg EBI.png
PDB 2pww EBI.png
PDB 2pw4 EBI.png
PDB 2r6i EBI.png
PDB 2pif EBI.png
PDB 2q3l EBI.png
PDB 3bzw EBI.png
PDB 3dc7 EBI.png
PDB 2psb EBI.png
PDB 1x93 EBI.png
PDB 2efv EBI.png
PDB 2pih EBI.png
PDB 2oc6 EBI.png
PDB 3eli EBI.png
PDB 2k5g EBI.png
PDB 3cnw EBI.png
PDB 2p0s EBI.png
PDB 2duy EBI.png
PDB 2oez EBI.png
PDB 2ux9 EBI.png
PDB 2cz8 EBI.png
PDB 2deg EBI.png
PDB 2v21 EBI.png
PDB 2v18 EBI.png
PDB 2v19 EBI.png
PDB 2deh EBI.png
PDB 2dev EBI.png
PDB 2i8d EBI.png
PDB 2gu3 EBI.png
PDB 2qpv EBI.png
PDB 2o8s EBI.png
PDB 3ebt EBI.png
PDB 3ec9 EBI.png
PDB 3dmc EBI.png
PDB 1z1s EBI.png
Terms of Use   Search of the Day