The cell wall of a plant cell is mainly made of ___. A. protein B. lipid C. cellulose D. starch 相关知识点: 试题来源: 解析 C。植物细胞的细胞壁主要由纤维素构成。A 选项蛋白质不对;B 选项脂质不是细胞壁的主要成分;D 选项淀粉也不是细胞壁的组成部分。反馈...
The cell wall of a plant cell is mainly made up of___. A. cellulose B. protein C. lipid D. starch 相关知识点: 试题来源: 解析 A。植物细胞的细胞壁主要由纤维素组成。选项 B,蛋白质不是细胞壁的主要成分;选项 C,脂质不是细胞壁的成分;选项 D,淀粉主要存在于细胞内储存能量。反馈...
A. storing water and nutrients B. producing energy C. controlling cell division D. synthesizing proteins 相关知识点: 试题来源: 解析 A。解析:植物细胞中的液泡主要用于储存水和营养物质。产生能量是线粒体的功能;控制细胞分裂主要是细胞核的作用;合成蛋白质是核糖体的功能。反馈...
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...
百度试题 结果1 题目30 The diagram shows a plant cell.Where is most of the DNA found?A BA OC OD 相关知识点: 试题来源: 解析 A 反馈 收藏
1. (1)(produce) from any one cell作定语,修饰an exact copy,produce与copy之间是被动关系,用过去分词表示被动关系。故填produced。 2. 句意:自从苏格兰科学家在1997年报道他们设法克隆了一只名为多利的绵羊以来,克隆技术的研究迅速发展起来。根据句意可知,“manage”这一动作发生在“report”之前,“report”是发...
Plant cell is a smart cellSuvi T. HäkkinenAnneli RitalaHeiko RischerKirsiMarja OksmanCaldentey
百度试题 结果1 题目What is the difference between a plant and an animal cell?相关知识点: 试题来源: 解析 Plant cells have a cell wall, while animal cells do not.反馈 收藏
The cell wall of an onion cell functions as a structural part of the cell, offering support and protection for the fluids and organelles inside. An... Learn more about this topic: Plant Cell Wall | Function, Structure & Diagram from ...
A chromosome is a part of a cell in an animal or plant. It contains genes which determine what characteristics the animal or plant will have. A. time B. color C.nucleus D.colon 点击查看答案手机看题 你可能感兴趣的试题 单项选择题 关于米氏常数Km的说法,哪一项是不正确的?() A.用Km值可以...