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【单选题】
绿色蔬菜在加工贮藏过程中，由鲜绿色转化为暗褐色，这主要是因为叶绿素转化为（）
A.
叶黄素
B.
叶绿醇
C.
脱镁叶绿素
D.
二酸脱镁叶绿素
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Most growing plants contain much more water than all other materials combined. C.R. Dames has suggested that it is as proper to term the plant a water structure as to call a house composed mainly of b...
A.
to derive energy from light
B.
to preserve water
C.
to combine carbon dioxide with water
D.
to form sugars