细胞分化、衰老、凋亡和癌变等内容,与人体健康密切相关,是科学研究的热点问题,往往作为高考题中的背景材料。多以选择题形式考查,近年来也不乏在简答题中出现,考查学生基础知识和识图能力。细胞的分化、有关细胞癌变和衰老的原因、防癌治癌等内容的研究成果及其在实践上的应用逐渐成为命题热点,应引起重视。该部分知识还可以与遗传变异等内容联系在一起,是关键考点。结合细胞分化、衰老、死亡与癌变可以考查生物学 Cell differentiation, aging, apoptosis and canceration and other content, closely related to human health, is a hot issue in scientific research, often as the background of the college entrance examination questions. Mostly in the form of multiple-choice questions examination, in recent years there is no shortage of short answer questions appear to examine the students’ basic knowledge and knowledge ability. Cell differentiation, the reasons for cell canceration and aging, cancer prevention and treatment of cancer and other research results and its application in practice has gradually become a hot topic, should be taken seriously. This part of the knowledge can also be linked with genetic variation and other content is the key test center. Combining cell differentiation, aging, death and canceration can test biology