30.4 MB (2.0 MB compressed)
3987 x 2669 pixels
33.8 x 22.6 cm ⏐ 13.3 x 8.9 in (300dpi)
TREVOR CLIFFORD PHOTOGRAPHY / SCIENCE PHOTO LIBRARY TREVOR CLIFFORD PHOTOGRAPHY / SCIENCE PHOTO LIBRARY
Microscope slide preparation. Close-up of a student preparing an onion for viewing under a microscope. Here, they are placing a single cell layer of onion skin on a slide that has had a staining solution (purple) added to it.
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