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Questions and Answers
What are the three main components of a phospholipid?
What are the three main components of a phospholipid?
- Phosphoglycerides, phosphatidates, and plasmalogens
- Phosphatidylethanolamine, phosphatidylserine, and phosphatidylcholine
- Hydrocarbon chain, glycerol, and phosphate-alcohol head group (correct)
- Fatty acids, ceramide, and sphingomyelin
Which is the most common phosphoglyceride found in the cell membrane?
Which is the most common phosphoglyceride found in the cell membrane?
- Phosphatidylcholine (correct)
- Phosphatidylethanolamine
- Phosphatidylserine
- Sphingomyelin
What is the basic structure of a phospholipid?
What is the basic structure of a phospholipid?
- Phosphatidate
- Phosphatidylethanolamine
- Phosphatidic acid (correct)
- Phosphoglyceride
What is the role of the transfer molecule CDP in phospholipid synthesis?
What is the role of the transfer molecule CDP in phospholipid synthesis?
How do phospholipids synthesized in the smooth ER reach the plasma membrane?
How do phospholipids synthesized in the smooth ER reach the plasma membrane?
What is the classification of sphingomyelin?
What is the classification of sphingomyelin?
Which class of lipids contains phosphatidylethanolamine, phosphatidylserine, and phosphatidylcholine?
Which class of lipids contains phosphatidylethanolamine, phosphatidylserine, and phosphatidylcholine?
What is the name of the phospholipid that has one fatty acid linked to the glycerol backbone with an ester link, while the other fatty acid has an ether link?
What is the name of the phospholipid that has one fatty acid linked to the glycerol backbone with an ester link, while the other fatty acid has an ether link?
What is the cellular location of phospholipid synthesis?
What is the cellular location of phospholipid synthesis?
What is the first step in phospholipid synthesis?
What is the first step in phospholipid synthesis?
What is the second step in phospholipid synthesis?
What is the second step in phospholipid synthesis?
What is the third step in phospholipid synthesis?
What is the third step in phospholipid synthesis?
What is the fourth step in phospholipid synthesis?
What is the fourth step in phospholipid synthesis?
Which molecule is used to activate one of the hydroxyl groups during the addition of the head group in phospholipid synthesis?
Which molecule is used to activate one of the hydroxyl groups during the addition of the head group in phospholipid synthesis?
What is the role of flippase in phospholipid synthesis?
What is the role of flippase in phospholipid synthesis?
Which of the following is NOT a step in phospholipid synthesis?
Which of the following is NOT a step in phospholipid synthesis?
Which nucleotide is used as a methyl donor in the conversion of phosphatidylethanolamine to phosphatidylcholine?
Which nucleotide is used as a methyl donor in the conversion of phosphatidylethanolamine to phosphatidylcholine?
Where does phospholipid synthesis primarily occur?
Where does phospholipid synthesis primarily occur?
Which phospholipid plays an important role in cell signaling?
Which phospholipid plays an important role in cell signaling?
How are phosphatidylserine and phosphatidylethanolamine interconverted?
How are phosphatidylserine and phosphatidylethanolamine interconverted?
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