选取绿色叶片和有白�叶片的牵牛花进行光合作用的实验如图所示1在实验中将牵牛花放在暗室一昼夜的目的是把叶片中原有的淀粉运走耗尽.2 Template




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tomski选取绿色叶片和有白�叶片的牵牛花进行光合作用的实验如图所示1在实验中将牵牛花放在暗室一昼夜的目的是把叶片中原有的淀粉运走耗尽.2 coloring