A. To carry out photosynthesis. B. To store water. C. To control the activities of the cell. D. To provide support. 相关知识点: 试题来源: 解析 C。中文解析:细胞核控制着细胞的活动,“The nucleus, which controls the activities of the cell, was also clearly visible.”。 反馈...
结果1 题目What contains the cell's DNA? A. The cytoplasm B. The mitochondria C. The nucleus D. The E. ndoplasmic reticulum 相关知识点: 试题来源: 解析 C。解析:细胞核包含细胞的 DNA,细胞质、线粒体和内质网都不包含 DNA。反馈 收藏
结果1 题目What gives the plant cell its shape? A. The nucleus. B. The chloroplasts. C. The cell wall. D. The plasmodesmata. 相关知识点: 试题来源: 解析 C。解析:文章中提到植物细胞有一个明显的细胞壁,它赋予了细胞形状。反馈 收藏
This one is perhaps the most misinterpreted postulate. Organelles like the nucleus, ribosomes and many more are present inside the cell; they are smaller in size, but vital for the existence of life. If that’s the case, shouldn’t they be the basic unit of life? Well, that’s not th...
The Nucleus: In eukaryotic cells, the nucleus holds the DNA. DNA is arranged in long strands, each being called a chromosome. The normal human nucleus has 46 chromosomes. These chromosomes are identical in each cell, thanks to the process of cell division. ...
(Biology) The smallest structural unit of an organism that is capable of independent functioning, consisting of cytoplasm, usually one nucleus, and various other organelles, all surrounded by a semipermeable cell membrane. Ceiling The inside planking of a ship's bottom and sides. Celling (Architectu...
In the last 20 years it has been widely demonstrated that cell nucleus contains neutral and polar lipids localized in nuclear membranes, nucleoli, nuclear matrix and chromatin. Nuclear lipids may show specific organization forming nuclear lipid microdomains and have both structural and functional roles....
Cellular mRNAs are produced in the nucleus and must be exported to the cytoplasm to allow for their translation into proteins. Recruitment of export factor... JA Erkmann,U Kutay - 《Experimental Cell Research》 被引量: 246发表: 2004年 Crystal Structure of Conserved Domains 1 and 2 of the ...
Cell Anatomy Most somatic cells are ordered in much the same way. Each contains a nucleus at its center, within which its chromosomes are contained. The cell is full of a liquid called cytosol, which is water and dissolved salts. Structures called organelles float in the cytosol, along with...
Diseases caused by trypanosomatids include leishmaniasis (Leishmania spp.), Chagas disease (Trypanosoma cruzi), and sleeping sickness (Trypanosoma brucei) that affect millions of people, especially low-income populations, being classified as neglected tr