What is the cell membrane and what is its function? What is the basic structure of the cell membrane, and what are the functions of the various components? In biology, what is a cell membrane and its functions? Describe the functions of the cell membrane. What is the role of the cell ...
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 ...
A plasmodesma (the singular of plasmodesmata) is made of two components: the membrane and membrane spaces. The membrane part is an extension of the outer covering of the plant cell, the plasma membrane or the cell membrane. The membrane spaces are formed by the endoplasmic reticulum (a cell ...
How does cytokinesis occur in a plant cell? Describe the process of cell division by mitosis. What happens during cell differentiation? What happens to centrosomes after they complete their job during mitosis? Why does a cell undergo mitosis?
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Cell membrane All animal cells have a plasma membrane. This is a barrier that surrounds the cell and holds it together. It controls what goes in and out of the cell. The cell membrane is made of proteins and lipids (fatty substances). It is ‘semipermeable’, which means that some chemic...
ATP is produced when energy from sunlight is converted to chemical energy that can be used by chloroplasts within plant cells. There are two systems that absorb light in plants. Photosystem II ultimately produces the oxygen that we breathe. Electrons from Photosystem II get passed along to Photosy...
"Celling" refers to the act of placing someone in a jail cell, while "ceiling" is the upper interior surface of a room.
Cytoskeleton Prokaryotes Plants Animals Makes up the internal framework Made of microtubules It is important for cell movement and cell division Made of protein Cell Membrane or Plasma Membrane Prokaryote Plant Animal Forms a barrier between the inside of the cell and the outside, so that the chemi...
Because plants and animals are complex creatures, the structure of a cell is complex, too. Each cell is made up of many individual parts, each of which has a job within the cell itself! Some help keep everything in one place (like thecell membrane), some produce energy to power the ce...