BIOPHOTO ASSOCIATES / SCIENCE PHOTO LIBRARY BIOPHOTO ASSOCIATES / SCIENCE PHOTO LIBRARY
Colour enhanced transmission electron micrograph (TEM) of a plant cell nucleus showing: two-membrane nuclear envelope; dense sections of chromosomes (heterochromatin); granular nucleoplasm; and, nucleolus. Magnification: x25,000 at 5.5 x 5.5 inches.
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