Describe the fluid-mosaic model of membrane structure. 描述细胞膜的流体镶嵌模型。 answer: The plasma membrane is a phospholipids bilayer with attached or embedded proteins. The phosopholipid molecule has a polar head and nonpolar tails.相关知识点: ...
The cell membrane, also known as the plasma membrane, is a double layer of lipids and proteins that surrounds a cell and separates the cytoplasm (the contents of the cell) from its surrounding environment. It is selectively permeable, which means that it only lets certain molecules enter and ...
It is formed inside primary cell walls and near to plasma membrane. It is thick and consist of cellulose, hemicellulose and lignin. 答: 植物细胞壁由胞间层、初生壁、次生壁三层构成。胞间层位于相邻两个细胞之间,主要化学组成为果胶质,具有可塑性和延展性,随着植物细胞增大,胞间层也被拉大。初生壁...
Describe the composition, nature, and functions of the various types of intercellular material. Describe the atom and its components. What is the function of the plasma membrane? Describe the structure of the plasma membrane. What is the unique property of phospholipids that make t...
It is located in the inner membrane of mitochondria and chloroplast membrane or the plasma membrane of prokaryotic cells. ATP synthesis in oxidative and photosynthetic phosphorylation is catalyzed by the F~ beta subunit using the energy of proton flux across the membranes. Recently, Ohta and Kagawa...
百度试题 结果1 题目Describe the process of ion channel transport solutes on the plasmamembrane 相关知识点: 试题来源: 解析 导管
1.Describe the structure and functions of the organs of the respiratory system and trace the movement of air from the nostrils to the alveoli Functions of Respiratory System Delivery of oxygen rich air into the body + excretion of carbon dioxide rich air out of the ...
Describe the functions of the respiratory system. Describe the structure of a lung alveolus and of the respiratory membrane. What is(are) the function(s) of the respiratory system? Explain why oxygen is important in the process of aerobic respiration?
Describe how lipids and proteins are distributed in the plasma membrane and explain the functions of each. Explain the role of ADH in maintaining water balance, between dehydration and overhydration. Describe and illustrate how the histological appearance of the mucosa changes from stomach to duodenum...
Explain the function of the nucleus in the cell. Explain the functions of the various organelles within eukaryotic cells. What is a cell nucleus? Describe its functions. (a) Describe the structure of the plasma/cell membrane. (b) Describe its function. Describe the structures and ...