Dolichol and the ER Membrane
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Questions and Answers

Which of the following is true about dolichol phosphate?

  • It acts as a lipid anchor for growing CHO chain (correct)
  • It is a lipid molecule found in ER membrane
  • It can be inhibited by statins
  • It is a product of the cholesterol synthesis pathway

    • What is the range of isoprenyl units in dolichol?

  • 16 - 22
  • 18 - 26
  • 14 - 24 (correct)
  • 14 - 20

    • What is the role of dolichol in the attachment of carbohydrate chains to proteins?

  • It provides energy for the attachment process
  • It acts as a catalyst for the attachment process
  • It serves as a bridge between the protein and carbohydrate (correct)
  • It stabilizes the protein-carbohydrate bond

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