1.如图所示分别为一粒玉米和一粒菜豆的结构请据图并结合所学知识回答1若将一粒玉米从中间切开�其横切面上滴加碘液结果e胚乳变蓝 Template




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tomski1.如图所示分别为一粒玉米和一粒菜豆的结构请据图并结合所学知识回答1若将一粒玉米从中间切开�其横切面上滴加碘液结果e胚乳变蓝 coloring