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2020年春鲁教版九年级化学下册《专题10.1食物中的有机物》同步教学课件(共36张PPT)

ID：19708 2020年03月31日 资料纠错 有奖上传 收藏
【内容简介】有机物的种类非常多，在已经发现的数千万种物质中，90%以上是有机物。地球上的一切生命体中都含有有机物，“有机”一词的含义最早就是“与生命体有关”的意思。 淀粉[(C6H10O5)n]是一种长链分子，相对分子质量从几万到几十万不等，属于高分子化合物。      食物中的淀粉不能直接被吸收，在淀粉酶和水的作用下转变成葡萄糖并溶解在血液中。 
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    2020年春鲁教版九年级化学下册《专题10.1食物中的有机物》同步教学课件(共36张PPT)