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Questions and Answers
What is the structural configuration of the polypeptide chain in an α-helix?
What is the structural configuration of the polypeptide chain in an α-helix?
- Parallel chain
- Antiparallel chain
- Hydrogen bonding between first and fourth amino acid residues (correct)
- Pleated sheet structure
What is the structural arrangement of a β-sheet?
What is the structural arrangement of a β-sheet?
- Helical
- Accordion-like pleated sheet (correct)
- Parallel chain
- Antiparallel chain
Which of the following proteins is an example of a β-sheet structure?
Which of the following proteins is an example of a β-sheet structure?
- Hemoglobin
- Keratin (correct)
- Prion
- Myoglobin
What is the cause of Creutzfeldt-Jakob Disease (CJD)?
What is the cause of Creutzfeldt-Jakob Disease (CJD)?
What is the effect of prions on the normal prion protein found in the brain?
What is the effect of prions on the normal prion protein found in the brain?
What is the name given to the simplest level of structural organization in proteins?
What is the name given to the simplest level of structural organization in proteins?
What happens to the migration of a protein in an electric field when it is at its isoelectric point?
What happens to the migration of a protein in an electric field when it is at its isoelectric point?
Which of the following is NOT a type of secondary structure found in proteins?
Which of the following is NOT a type of secondary structure found in proteins?
What is the role of chaperone proteins in protein folding?
What is the role of chaperone proteins in protein folding?
Which type of bond contributes to the stabilization of the tertiary structure of a protein?
Which type of bond contributes to the stabilization of the tertiary structure of a protein?
What is the main cause of Creutzfeldt-Jakob Disease (CJD)?
What is the main cause of Creutzfeldt-Jakob Disease (CJD)?
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