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Questions and Answers
In protein folding, what does Phi represent?
In protein folding, what does Phi represent?
- N-C⍺ bond (correct)
- C⍺-C bond
- Main chain
- Side chain
Which type of bond is associated with Psi in protein folding?
Which type of bond is associated with Psi in protein folding?
- N-C⍺ bond
- Main chain
- C⍺-C bond (correct)
- Side chain
What is the primary reason behind the energy barrier in protein folding?
What is the primary reason behind the energy barrier in protein folding?
- Disulfide bonds
- Van der Waals interactions
- Steric hindrance (correct)
- Hydrogen bonding
Which term describes the fully extended conformation of a polypeptide chain?
Which term describes the fully extended conformation of a polypeptide chain?
What type of interaction drives hydrophobic amino acids to cluster together during protein folding?
What type of interaction drives hydrophobic amino acids to cluster together during protein folding?
Which model suggests that proteins fold into their native structure due to minimal free energy states?
Which model suggests that proteins fold into their native structure due to minimal free energy states?
Which type of interaction is critical for stabilizing the secondary structure of proteins?
Which type of interaction is critical for stabilizing the secondary structure of proteins?
In protein folding, what is the primary role of chaperone proteins?
In protein folding, what is the primary role of chaperone proteins?
Which component of an amino acid residue contributes most to the hydrophobic effect in protein folding?
Which component of an amino acid residue contributes most to the hydrophobic effect in protein folding?
What is the major consequence of Misfolded proteins on cellular function?
What is the major consequence of Misfolded proteins on cellular function?
In protein folding, what angle is nearly always negative except in a left-hand helix?
In protein folding, what angle is nearly always negative except in a left-hand helix?
Which amino acid has a planar (flat) structure when viewed side-on, with the R-group CH3 facing forward?
Which amino acid has a planar (flat) structure when viewed side-on, with the R-group CH3 facing forward?
What type of structure does the peptide bond exhibit in terms of rotation?
What type of structure does the peptide bond exhibit in terms of rotation?
According to the Anfinsen hypothesis, which protein folding model involves a diverse population of structures with no structure preference?
According to the Anfinsen hypothesis, which protein folding model involves a diverse population of structures with no structure preference?
What type of movement characterizes protein folding in terms of thermodynamics?
What type of movement characterizes protein folding in terms of thermodynamics?
Which angle associated with the peptide bond can be both positive or negative?
Which angle associated with the peptide bond can be both positive or negative?
What is the term used to describe the movement of protein folding from a high energy state to a lower energy state?
What is the term used to describe the movement of protein folding from a high energy state to a lower energy state?
Which amino acid's R-group contains a CH3 group and exhibits a planar structure?
Which amino acid's R-group contains a CH3 group and exhibits a planar structure?
What is the primary movement described in protein folding based on thermodynamic principles?
What is the primary movement described in protein folding based on thermodynamic principles?
In which model of protein folding does the native structure represent one stable conformation?
In which model of protein folding does the native structure represent one stable conformation?
Which interaction is the largest driver of protein folding?
Which interaction is the largest driver of protein folding?
In protein folding, what does the term 'unfolded state' refer to?
In protein folding, what does the term 'unfolded state' refer to?
What does a 2-state model of protein folding suggest?
What does a 2-state model of protein folding suggest?
What is the thermodynamic driving force for protein folding?
What is the thermodynamic driving force for protein folding?
How many different conformers can be formed in a 100 amino acid protein based on phi and psi bond angles?
How many different conformers can be formed in a 100 amino acid protein based on phi and psi bond angles?
Which type of interactions are primarily responsible for maintaining the native structure of proteins?
Which type of interactions are primarily responsible for maintaining the native structure of proteins?
'Folding is thermodynamically driven' implies that:
'Folding is thermodynamically driven' implies that:
'Delta G = Delta H - T Delta S' represents the relationship between which variables?
'Delta G = Delta H - T Delta S' represents the relationship between which variables?
'50% of molecules unfolded and 50% of molecules still folded' refers to which point in protein folding?
'50% of molecules unfolded and 50% of molecules still folded' refers to which point in protein folding?
'At midpoint 50% of the molecular population still knows how to fold' implies what about the folding process?
'At midpoint 50% of the molecular population still knows how to fold' implies what about the folding process?
What is the primary driving force behind the hydrophobic effect in protein folding?
What is the primary driving force behind the hydrophobic effect in protein folding?
Describe the process of protein unfolding and its impact on the native conformation.
Describe the process of protein unfolding and its impact on the native conformation.
What defines the native conformation of a protein?
What defines the native conformation of a protein?
Explain the importance of tertiary structure in protein folding.
Explain the importance of tertiary structure in protein folding.
How does the hydrophobic effect contribute to stabilizing the tertiary structure of proteins?
How does the hydrophobic effect contribute to stabilizing the tertiary structure of proteins?
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