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Questions and Answers
What dominates up to 80% of the mass of a cell membrane?
What dominates up to 80% of the mass of a cell membrane?
- Cholesterol
- Phospholipids (correct)
- Proteins
- Carbohydrates
What is a phospholipid composed of?
What is a phospholipid composed of?
- A phosphate group and a carbohydrate chain
- Two phosphate groups and a fatty acid
- Three fatty acids and a glycerol molecule
- A phosphate group, a platform molecule, and an alcohol (correct)
What is a glycerophospholipid?
What is a glycerophospholipid?
- A lipid with a phosphate group and an alcohol esterified to a glycerol molecule (correct)
- A lipid with a carbohydrate chain
- A lipid with three phosphate groups
- A lipid with a phosphate group and two fatty acids
What type of bonds are present in a glycerophospholipid?
What type of bonds are present in a glycerophospholipid?
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What molecule confines the contents of all cells?
What molecule confines the contents of all cells?
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