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Question
Biology
Posted 9 months ago
The difference between a triglyceride and a phospholipid is:
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Answer from Sia
Posted 9 months ago
Answer
The difference between a triglyceride and a phospholipid is:
Solution
a
Structure: Triglycerides consist of one glycerol molecule bonded to three fatty acid chains, whereas phospholipids consist of one glycerol molecule bonded to two fatty acid chains and one phosphate group
b
Function: Triglycerides primarily function as energy storage molecules, while phospholipids are key components of cell membranes, providing structural integrity and regulating membrane fluidity
c
Polarity: Triglycerides are non-polar and hydrophobic, making them insoluble in water. Phospholipids have both hydrophobic (fatty acid tails) and hydrophilic (phosphate group) regions, making them amphipathic and allowing them to form bilayers in aqueous environments
Key Concept
Structural and functional differences between triglycerides and phospholipids
Explanation
Triglycerides are composed of three fatty acids and one glycerol, serving mainly as energy storage. Phospholipids, on the other hand, have two fatty acids, one glycerol, and one phosphate group, making them essential for cell membrane structure and function.
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