Every (细胞) in an animal’s body contains all its genetic information,but scientists hold that they all have a special role. 相关知识点: 试题来源: 解析 cell 【详解】考查名词。句意:动物体内的每一个细胞都包含着所有的遗传信息,但科学家认为它们都有特殊的作用。分析可知,所填空为名词。根据汉语...
In plant genetics, the part of a cell that contains the genetic information (DNA) is called _. A. cytoplasm B. gene C. chromosome D. mitochondrion 相关知识点: 试题来源: 解析 C。解析:本题考查植物遗传学中的基本概念。染色体(chromosome)是细胞中包含遗传信息(DNA)的部分。细胞质(cytoplasm)是...
aA genetic sequence is a string formed from a four-letter alphabet {Adenosine (A), Thymidine (T), Guanosine (G), Cytidine (C)} of biological macromolecules referred to together as the DNA bases. A gene is a genetic sequence that contains the information needed to construct a protein. All...
OK. You know that all of a person's genetic information is contained on very long pieces of DNA called chromosomes—12 of them in a human cell,that's 23 pairs of these chromosomes—of various lengths and sizes.Now, um, if you'll look at this rough drawing of one of them—one chromo...
and some mice developed squamous cell carcinomas and adrenal pheochromocytomas (Supplementary Fig.2c, d). No neoplastic lesions were observed in the intestine or any other evaluated organs. This suggests that either different genetic alterations or longer time for carcinogenesis are required for some...