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1在教材中的地位淀粉酶是一种作用于可溶性淀粉、直链淀粉的水解酶,可将其水解为麦芽糖等。淀粉酶在动植物和微生物体内广泛存在,认识淀粉酶的作用能帮助学生更好地认识酶的作用、本质和特性,因此在国内外教材中都进行了精心设计和安排研究淀粉酶作用的实验,实验类型也包括探究性实验和调查实验等多种。人教版《生物学》七年级下册第4单元第2章“人体的营养”第2节“消化和吸收”一节中的“探究馒头在口腔中的变化”实验和美国生物教材《科学发现者·生物生命的动力》第35章“消化系统和内分泌系统”一章中的“淀粉
1 in the textbook position amylase is a role in soluble starch, amylose hydrolyzing enzyme, it can be hydrolyzed into maltose and so on. Amylase in animals and plants and microorganisms widely exist, understanding of the role of amylase can help students better understand the role of enzymes, nature and characteristics, so in domestic and foreign materials have been carefully designed and arranged to study the role of amylase experiment , The type of experiment also includes many kinds of inquiry experiment and investigation experiment. PEP ”Biology“ seventh grade volume fourth unit second chapter ”nutrition of the human body “ section ”digestion and absorption “ in the section ”to explore the bread in the oral changes “ experiment And the American biological textbook, ”Science Discoverer · The Power of Biological Life,“ Chapter 35, ”Digestive and Endocrine System,“ chapter ”Starch