Podcast
Questions and Answers
Which type of interaction is most likely responsible for the disruption of the tertiary structure of a protein by heavy metal ions?
Which type of interaction is most likely responsible for the disruption of the tertiary structure of a protein by heavy metal ions?
- Hydrophobic interactions
- Covalent bonds
- Hydrogen bonds
- Salt bridges and coordinate bonds (correct)
What is the primary mechanism by which chaotropic agents like urea and guanidine denature proteins?
What is the primary mechanism by which chaotropic agents like urea and guanidine denature proteins?
- Disrupting hydrophobic interactions
- Altering the hydrogen-bonding network of water (correct)
- Breaking covalent bonds
- Forming coordinate bonds with the protein
Which post-translational modification is most likely to serve as a membrane anchor for a protein?
Which post-translational modification is most likely to serve as a membrane anchor for a protein?
- N-glycosylation
- Myristoylation (correct)
- Phosphorylation
- O-glycosylation
Which of the following is the LEAST likely to disrupt the tertiary structure of a protein?
Which of the following is the LEAST likely to disrupt the tertiary structure of a protein?
Which post-translational modification is most likely to be found on secreted or membrane proteins?
Which post-translational modification is most likely to be found on secreted or membrane proteins?
Which type of oligomeric protein is formed by multiple, identical polypeptide chains?
Which type of oligomeric protein is formed by multiple, identical polypeptide chains?
How does proteolytic cleavage of a proprotein contribute to the function of the mature protein?
How does proteolytic cleavage of a proprotein contribute to the function of the mature protein?
Which post-translational modification is most likely to involve the covalent attachment of a fatty acid to a protein?
Which post-translational modification is most likely to involve the covalent attachment of a fatty acid to a protein?
Which type of oligomeric protein is most likely to exhibit cooperative binding behavior?
Which type of oligomeric protein is most likely to exhibit cooperative binding behavior?
Which post-translational modification is most likely to involve the covalent attachment of a carbohydrate moiety to a protein?
Which post-translational modification is most likely to involve the covalent attachment of a carbohydrate moiety to a protein?
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