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Maize Stem, Light Micrograph
Dr Keith Wheeler
Photograph - Photograph
Maize stem. Polarised light micrograph of a section through a maize plant stem (Zea mays). A vascular bundles (brown) can be seen containing xylem (larger openings, orange brown) and phloem (smaller openings, dark green) tissues. Xylem transports water and mineral nutrients from the roots throughout the plant, while phloem transports carbohydrates and plant hormones around the plant. The small green blobs (upper left and right) are chloroplasts, which capture energy from sunlight by photosynthesis. Magnification x230 when printed 10 centimetres wide.
May 10th, 2013
Viewed 5 Times - Last Visitor from Portland, OR on 08/30/2014 at 12:01 AM
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