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 收藏 ...
The nucleus directs all activities that occur within the cell and also contains the cell’s genetic material, or DNA.The nucleus gives the signal to the cell to grow, divide or make proteins. A nuclear envelope surrounds the nucleus, allowing only certain substances to enter and exit. The n...
What does nucleus mean cell? In cell biology, the nucleus is the large, membrane-bounded organelle that contains the genetic material in the form of multiple linear DNA molecules organized into structures called chromosomes. In cell biology, the nucleus function is to act asthe control center of...
A. The nucleus. B. The central vacuole. C. The cell wall. D. The microscope. 相关知识点: 试题来源: 解析 C。中文解析:细胞壁为植物细胞提供支持和保护,文中有“The cell wall, which provides support and protection to the cell.”。 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
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
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....
The nucleus is one of the essential structures of the cell. The nucleus is responsible for carrying out the functions inside the cell. The nucleus is... See full answer below.Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our ...
In a plant cell, what is the function of the cell membrane? What is turgidity in a plant cell? How does the cell wall protect a plant cell? What organelle helps plant cells make food? What is the function of a plant cell? What does a nucleus do in a plant cell?
Within a cell, a DNA double helix is approximately 10 nanometers (nm) wide, whereas the cellular organelle called a nucleus that encloses this DNA can be approximately 1000 times bigger (about 10 μm). See how cells compare along a relative scale axis with other molecules, tissues, and ...