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初中《生理卫生》第七章中“新陈代谢概述”一节没有实验,鉴于新陈代谢的概念比较抽象,同化作用和异化作用的变化过程非常复杂,包含了许多生物化学反应,而体内几乎所有的生化反应都是在不同的酶催化下进行的,即使学生对于酶的概念和作用特点能有所理解,但也比较抽象,教师在讲授这部分教材时,除了将酶与一般催化剂进行比较,指出酶“仅能影响化学
There is no experiment in the section entitled “Metabolism” in Chapter 7 of “Physiological Health” in Junior High School. In view of the abstract concept of metabolism, the processes of assimilation and alienation are complex and involve many biochemical reactions. Almost all biochemical reactions in the body Are carried out under different enzyme catalysis, even though students can understand the concept of the enzyme and the role of the role, but also more abstract, teachers in teaching this part of the teaching material, in addition to the enzyme compared with the general catalyst, pointed out that the enzyme " Can only affect chemistry