Slice of cooked potato, SEM

Slice of cooked potato, SEM

B100/0018 Rights Managed

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Credit: DR JEREMY BURGESS/SCIENCE PHOTO LIBRARY

Caption: Scanning electron micrograph of a slice of potato, Solanum tuberosum, showing the collapse of tissue organization due to cooking (for 20 minutes). The potato (tuber) consists of starch made from sucrose, a sugar imported from the leaves where it is manufactured during photosynthesis. Starch is a food reserve for the later development of buds on the potato. Uncooked cells resemble a honeycomb with the compartments containing egg-shaped starch grains (see B100/011). The cooked version resembles a cracked landscape. The cell walls have disintegrated, soluble components dissolved, & the starch hydrolysed. Magnification: x25 at 35mm size, x200 at 8x10-inch size. Reference: MICROCOSMOS, figure 9.21, page 185.

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Keywords: amyloplast, botanical science, botany, cell, cells, cooked, plant structure, plastid, plastids, potato, scanning electron micrograph, sem, solanum tuberosum, starch, tuber

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