Which of the Following Does NOT Occur During Ubiquitination Degradation

question 5

Multiple Choice

Which of the following does NOT occur during ubiquitination degradation of proteins?

• A)Multiple ubiquitinations may occur on a protein substrate.
• B)Ubiquitin-protein ligase (E₃)transfers ubiquitin to free amino groups on the protein.
• C)E₃ selects a protein for degradation by the nature of the C-terminal amino acid.
• D)Ubiquitin-carrier protein (E₂)picks up ubiquitin.