解析 B。本题考查细胞膜的主要成分。选项 A“Protein”蛋白质在细胞膜中有重要作用,但不是主要成分;选项 B“Lipid”脂质是细胞膜的主要成分;选项 C“Carbohydrate”碳水化合物在细胞膜上起识别等作用,并非主要成分;选项 D“Nucleic acid”核酸主要存在于细胞核和细胞质中,不是细胞膜的主要成分。
A. To control what enters and leaves the cell B. To store genetic information C. To produce energy D. To break down food 相关知识点: 试题来源: 解析 A。本题考查细胞膜的主要功能。选项 A 控制物质进出细胞是细胞膜的主要功能;选项 B 存储遗传信息是细胞核的功能;选项 C 产生能量主要是线粒体的...
Cell membrane:The cell is composed of various components that provide it with functional and structural characteristics. All the organelles are contained inside the cell, suspended in the cytoplasm and outlined by a double-layered structure known as the cell membrane or plasma membrane....
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 ...
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 ...
There are a number of types of cell membrane phospholipids. Most of them are made out of modified glycerol lipids and phosphate, though there are some that are constructed from sphingo molecules. Cell membrane phospholipids are an important component of cell biology. The most common cell ...
What to Know About the Carnivore Diet This meat-heavy diet may be championed by social media influencers, but science does not support the carnivore diet. Janet HelmOct. 18, 2024 Worst Foods for Gut Health Some foods and drinks can promote gastrointestinal problems and damage beneficial gut ba...
Peripheral membrane proteins do not interact with the non-polar region of the cell membrane. Instead, they are bound to the cell membrane through interactions between the polar region of the phospholipids and the polar region of the protein. Many peripheral membrane proteins bind to integral membran...
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What is the name of the cell organelle which synthesizes plasma membrane? What do prokaryotic cells lack? a. nucleolus b. cell membrane c. all of the above What organelles does a plant cell have that an animal cell does not? What type of cell has membrane-bound organelles and a nucleus...