In embryo freezing, non-permeable protectants, such as monosaccharides, fructose, etc., have a relatively large molecular weight, which cannot enter cells, and have no obvious cytotoxicity. Therefore, prolonged exposure to high concentrations of such subs

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In embryo freezing, non-permeable protectants, such as monosaccharides, fructose, etc., have a relatively large molecular weight, which cannot enter cells, and have no obvious cytotoxicity. Therefore, prolonged exposure to high concentrations of such substances does not affect the normal metabolism and developmental potential of the embryo.

A.正确

B.错误

正确答案：错误

Tag：性与生殖时间：2022-01-18 14:44:10

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