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3D illustration of three stages of a chromosome, showing the shortening of a DNA telomere.
Baby's feet close-up.
Epithelial Cells in urine sediment.
Cell Membrane Phospholipid Structure,Phospholipid bilayer of the cell membrane,Lipid bilayer,lipid bi-layer cell anatomy
Study of genes and their correction, replacement or modification. High technologies in medicine, innovations and new methods of treating genetic diseases. Paternity confirmation. Genetically designed
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.
Background of mold in the wood of the house.
Photomicrograph of one celled amoeba. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination.
Skan of western blotting film with an image of four membranes subjected to antibodies recognizing different protein species visible as black stops or blots
Anatomy scan of twin gestation 6 weeks  monochorionic diamniotic.
a profile of a person consisting of many watch dials as a symbol of the passage of time against the background of stylized dna.3d-image
plant Stem-Collenchyma C.S. under light mircoscope with white background
3D cartoon and Gaussian surface models, PDB 6gu2, white background
stx2a is a subtype of Shiga toxin-producing E. coli (STEC) linked to Hemolytic Uremic Syndrome (HUS), a severe condition impacting kidney function and blood clotting. STEC poses a significant risk of foodborne illness and can spread within communities including family members.
Cell Membrane and Molecules, 3d rendering. Computer digital drawing.
New financial services linked to credit cards
mRNA model on computer yellow monitor research and analysis for mRNA to protection COVID 19 mutation
Abstract Crystal background marble shot, nature pattern.
View in microscopic of dog vaginal smear cells.Squamous epithelium cells.Superficial and intermediate epithelial cells.
Squash preparation of plant cells stained to reveal nuclei and 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 aberration is inevitable in light microscopy, but has been kept to a minimum in this image.
3D Gaussian surface and cartoon models, chain id color scheme, PDB 6pnj, putative membrane is shown, white background
London, United Kingdom - October 28, 2014: A Viagra box with two tablets.  Viagra is manufactured by the US drug and pharmaceutical corporation based in New York.  Viagra is used to treat erectile dysfunction in men since 1998.
The plant roots under the microscope
Photomicrograph of Euglena species. Fresh water, California. Live specimen. Wet mount, 40X objective, transmitted bright field illumination.
Antimicrobial susceptibility testing in culture plate. Drug sensitivity test, disk drug, antibiotic sensitivity, Ciprofloxacin resistance.
Couple of Baby Feet in close up
Prokaryotic cell illustration in which the indicated elements are present (plasma membrane, ribosomes, DNA, and hyaloplasm)
Squash preparation of plant 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 aberration is inevitable in light microscopy, but has been kept to a minimum in this image.
3D cartoon and molecular surface models, chain id color scheme, putative membrane shown, pdb 7upt white background.
Microscopic image of blood
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