Multiple Choice
A certain glycerophospholipid is made of glycerol, two fatty acids, and ethanolamine. What components does the carboxylic ester linkage connect?
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10. Lipids
Glycerophospholipids
Multiple Choice
Which of the following is a major component of a cell's plasma membrane?
A
Triglyceride.
B
Phosphatidylcholine.
C
Waxes.
D
Eicosanoids.
E
Lipid Vitamins.
Verified step by step guidance1
Understand the structure and function of a cell's plasma membrane. The plasma membrane is primarily composed of a lipid bilayer, which provides a barrier and contains proteins that facilitate communication and transport.
Identify the types of lipids that are typically found in the plasma membrane. The major classes include phospholipids, glycolipids, and cholesterol.
Recognize that phospholipids are the most abundant type of lipid in the plasma membrane. They have a hydrophilic (water-attracting) 'head' and two hydrophobic (water-repelling) 'tails', which allow them to form a bilayer.
Phosphatidylcholine is a specific type of phospholipid. It is one of the most common phospholipids in the cell membrane and plays a crucial role in membrane structure and function.
Compare the options given: Triglycerides, waxes, eicosanoids, and lipid vitamins are not major components of the plasma membrane. Phosphatidylcholine, being a phospholipid, is the correct answer as it is a major component of the cell's plasma membrane.
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