DR. JEREMY BURGESS / SCIENCE PHOTO LIBRARY DR. JEREMY BURGESS / SCIENCE PHOTO LIBRARY
Scanning electron micrograph of the root hair of the pea plant Pisum sativum with a rod-shaped nitrogen-fixing bacterium Rhizobium leguminosarum attaching itself (at upper centre left). Magnification: X 9,000 at 8x10 inch size.
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