What is the primary function of the cell membrane?A. to store nutrients B. to regulate the movement of molecules in and out of the cell C. to produce energy for the cell D. to maintain the shape of the cell 相关知识点: 试题来源: 解析 答案:B ...
The cell membrane serves as an integral part of the cell serving the following functions: Since it is the outermost layer, it protects the cell...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough ...
The plant cell membrane is a thin membrane that surrounds that cells and acts as a protective layer to prevent injury in the cells. The properties of...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your ...
What provides rigidity and support to plant cells? A. Cell membrane B. Chloroplast C. Cell wall D. Nucleus 相关知识点: 试题来源: 解析 C。解析:文章中明确提到“Plant cells have a distinct cell wall that provides rigidity and support.”,即植物细胞有独特的细胞壁提供刚性和支撑。反馈 收藏 ...
Integral membrane proteins are are embedded within the cell membrane and project into the cell or the external environment. An integral membrane protein that spans the entire cell membrane, from the outer surface of the cell to the inner surface of the cell, is called a transmembrane protein. ...
Similar to the rooms in a house, these structures are partitioned off from the rest of a cell's interior by their own intracellular membrane. Organelles contain highly technical equipment required for specific jobs within the cell. One example is the mitochondrion— commonly known as the cell's...
(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...
Diffusion is the passive movement of molecules from an area of high concentration to an area of low concentration whereas osmosis is the movement of a solvent such as water from an area of low solute concentration to an area of high concentration o...
Boosting your intake of these foods could improve your vitamin B12 levels. Elaine K. HowleyandVanessa CaceresDec. 6, 2024 10 Cheap Plant-Based Meals It's easier than you may think to create affordable, delicious plant-based or vegan meals on a budget. ...
An example of active transport is the sodium-potassium pump in nerve cells. Normally, the concentration of sodium is low in the cell and high outside the cell while potassium concentration is typically high inside the cell and low outside the cell. When a nerve impulse is triggered, sodium ...