Proteoplast a colorless plastid ( leucoplast ) that stores protein 类蛋白体：指储存蛋白质的无色质体（白色体） 。
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Leucoplast a colorless plastid , i . e . one not containing chlorophyll or any other pigment . leucoplasts are common in the cells of roots and underground stems and storage organs 白色体：一种无色的质体，不含叶绿素和任何其它色素。白色体多存在于根部细胞、地下茎和储藏器官中。
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