英语词汇“aleurone layer”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	aleurone layer
释义	aleurone layer aleurone layer (əˈlʊərən; -rəʊn) or aleuron n (Botany) the outer protein-rich layer of certain seeds, esp of cereal grains[C19: from Greek aleuron flour] aleurone layer aleurone layer a layer of cells just below the TESTA of seeds such as barley. Aleurone releases large quantities of hydrolytic enzymes (AMYLASES, PROTEASES and NUCLEASES) for digestion of the ENDOSPERM. Thus food material is made available in soluble form for embryo growth. Enzyme release is brought on by the plant hormone GIBBERELLIN, which is released by the embryo when the seed is soaked in water prior to germination. ThesaurusSeealeurone
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