用你自己的语言描述细胞核、染色体、DNA、基因与遗传信息的关系？
细胞核中有染色体，染色体中有DNA，DNA上有遗传信息，有遗传效应的DNA片段叫基因
Costs included in the determination of a company’s economic profit that are most likely to be included in that company’s accounting costs are:（）
A. explicit costs.
B. implicit costs.
C. opportunity costs associated with labor provided by the company’s owners.
《史记》记载：“景公问政孔子，孔子曰：‘君君，臣臣，父父，子子。’景公曰：‘善哉！信如君不君，臣不臣，父不父，子不子，虽有粟，吾岂得而食诸！’”这反映孔子（）
A.恪守中庸之道治理朝政
B.重视教化使人向善
C.强调礼制稳定社会秩序
D.推行“仁政”缓和社会矛盾
