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Because the mature tissue of velvetleaf contains lots of secondary metabolites such as alkaloid and phenolic, it is difficult to obtain high purity DNA from mature tissue of velvetleaf.

青麻成熟组织中酚类、黄酮类等次代谢物多,从中提取出高纯度DNA困难。

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isochore, isochoric, isochroism, isochromate, isochromatic, isochromism, isochromosome, isochron, isochronal, isochrone,

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3G, 401(K), a,

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