25.4 MB (25.0 MB compressed)
3543 x 2507 pixels
30.0 x 21.3 cm ⏐ 11.8 x 8.4 in (300dpi)
DR JEREMY BURGESS / SCIENCE PHOTO LIBRARY DR JEREMY BURGESS / SCIENCE PHOTO LIBRARY
False colour transmission electron micrograph of a plant cell from the root tip meristem of maize, Zea mays. The meristem is a region of active cell division, from which more permanent specialised tissue is derived. Principal sitesare root tips & stem apices. Dominant in the cell is the nucleus (oval) holding the cell's genetic information. The nucleolus (dark circle) contains RNA & proteins. The cytoplasm holds numerous bodies; vacuoles (white ovals), lipid droplets (smooth gray), proplastids (dark gray with white starch inclusions), mitochondria (granular gray ovals) & ribosomes (black dots) free in the cytoplasm. Magnification :X1700 at 35mm size. Original is bw print B060/006.
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