Phosphoglycerides quiz Flashcards
Phosphoglycerides quiz
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What functional feature(s) does the phosphate group contribute to the structure of a phospholipid?
The phosphate group contributes to the hydrophilic head of the phospholipid, allowing it to interact with water and form lipid bilayers. What does phosphate allow phospholipids to do?
Phosphate allows phospholipids to form lipid bilayers by providing a hydrophilic head that interacts with water. What is the backbone structure of phosphoglycerides?
Phosphoglycerides have a glycerol backbone. How are phosphoglycerides classified?
Phosphoglycerides are classified based on the head group attached to the phosphate group, such as ethanolamine in cephalin and choline in lecithin. What is the role of phosphoglycerides in cell membranes?
Phosphoglycerides are a major component of cell membranes, forming the lipid bilayer structure. What are the two main types of phosphoglycerides?
The two main types of phosphoglycerides are cephalin and lecithin. What is the difference between cephalin and lecithin?
Cephalin has an ethanolamine head group, while lecithin has a choline head group. What is the significance of the fatty acid chains in phosphoglycerides?
The fatty acid chains contribute to the hydrophobic tail of phosphoglycerides, affecting the rigidity of the lipid bilayer. What is the amphiphatic nature of phospholipids?
Phospholipids are amphiphatic, meaning they have both hydrophilic (water-attracting) and hydrophobic (water-repelling) parts. What is the structural role of the glycerol backbone in phosphoglycerides?
The glycerol backbone serves as the central framework to which the fatty acid chains and phosphate group are attached.
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