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在下列各题的四个选项中,只有一个选项是符合题目要求的。 以下数据可供解题时参考: 原子量:H1 C12 N14 O16 Na23 P31 C135.5 Ca40 Fe56 Cu64 1.下列各类人群中,一段时期内人体摄入和排出的氮量基本相等的是 A.健康儿童B.重创伤恢复期病人 C.健康成年男子D.禁食期病人 2.下列关于细胞周期的叙述,正确的是 A.成熟的生殖细胞产生后立即进入下一个细胞周期
Of the four options in the following questions, only one option meets the requirements of the topic. The following data are available for reference: Atomic weight: H1 C12 N14 O16 Na23 P31 C135.5 Ca40 Fe56 Cu64 1. In the following categories of people, the amount of nitrogen ingested and excreted by the human body in a period of time is basically the same. A. Healthy children B. Patients with severe traumatic recovery C. Healthy adult men D. Fasting patients 2. The following description of the cell cycle, the correct is A. Immediately after the generation of mature germ cells into the next cell cycle