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Home > All Images > 1994 > September > 21 Sep 1994

Images Dated 21st September 1994

Choose from 7 pictures in our Images Dated 21st September 1994 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.

Starch grains Featured 21 Sep 1994 Image

Starch grains

Potato starch. Coloured scanning electron micrograph of starch grains (blue) in the cells of a potato, Solanum tuberosum. The stored starch grains are called amyloplasts. Starch is synthesised from sucrose, a sugar formed in the leaves during photosynthesis and transported to the tuber (potato) via the phloem (vascular tissue). It is used as a store of energy for the later development of buds on the surface of the potato. Starch grains found in potato cells are larger than those found in most plant cells. Magnification: x110 at 6x7cm size. x296 at 8x6ins, x157 at 10x7cm master size