Beta-amyloid (Abeta) peptide, chemical structure. Major component of plaques found in Alzheimer's disease. Shown as cartoon + wireframe. N-term (yellow) to C-term (red) gradient coloring. Picturesby molekuul4/124
Destroyed structures of filamentous freshwater algae Spirogyra. The cell structure by microscope. Benthic Stock Photographsby SergiiTrofymchuk1/5
Piano keyboard printed music abstract fractal spiral pattern background. Black and white piano round spiral. Spiral Piano helical pattern abstract background Abstract piano spiral effect. Staircase Stock Imageby MikhailLeonov2/318
Beautiful mountain goat with helical long horns on the background of rocks Stock Photographyby aarrows0/0