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Questions and Answers
Which group is the GPI anchor composed of?
Which group is the GPI anchor composed of?
- Phosphatidylinositol and a fatty acid
- Phosphatidylinositol and an ethanolamine phosphate
- Phosphatidylinositol and a carbohydrate-containing linker (correct)
- Phosphatidylinositol and a mature protein
What is the role of proteins containing a GPI anchor?
What is the role of proteins containing a GPI anchor?
- To attach to the C-terminus of a protein
- To anchor the protein to the cell membrane
- To undergo posttranslational modification
- To play key roles in a wide variety of biological processes (correct)
How is the GPI anchor attached to a protein?
How is the GPI anchor attached to a protein?
- Through an ethanolamine phosphate bridge (correct)
- Through a mature protein
- Through a fatty acid
- Through a carbohydrate-containing linker
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