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substance used to test for the presence of starch. It is a mixture of elemental iodine, potassium iodide or sodium iodide, dissolved in a mixture of ethanol and water.
unicellular fungi, most of which reproduce asexually by a process called budding.
cells that are formed during secondary growth by the vascular cambium ring just to the inside of...
(also called the pith) the central part of the stem that consists of large, thin-walled...