Podcast
Questions and Answers
What is the one-letter abbreviation for the two peptides?
What is the one-letter abbreviation for the two peptides?
- C, D
- A, B (correct)
- G, H
- E, F
At pH = 7.0, what charges do the two peptides have?
At pH = 7.0, what charges do the two peptides have?
- Both negative
- One positive and one negative (correct)
- Both positive
- One neutral and one negative
What is the isoelectric point (pI) for each peptide?
What is the isoelectric point (pI) for each peptide?
- 4.5, 11.0
- 6.0, 8.0
- 7.0, 7.0 (correct)
- 2.0, 9.0
Which of the following is a weak acid?
Which of the following is a weak acid?
What do weak acid (base) ionization constant and Henderson-Hasselbach equation relate to?
What do weak acid (base) ionization constant and Henderson-Hasselbach equation relate to?
Which characteristic differentiates lipids from other biopolymers?
Which characteristic differentiates lipids from other biopolymers?
Is a virus considered a form of life?
Is a virus considered a form of life?
What do weak, noncovalent interactions contribute to in biological systems?
What do weak, noncovalent interactions contribute to in biological systems?
Which concept relates to the choice of ATP as the energy currency?
Which concept relates to the choice of ATP as the energy currency?
What is the predominant factor in protein stability?
What is the predominant factor in protein stability?
Why is there so little allowable rotation in the peptide bond?
Why is there so little allowable rotation in the peptide bond?
The alpha helix is characterized by:
The alpha helix is characterized by:
Which is the more stable beta sheet: parallel or antiparallel?
Which is the more stable beta sheet: parallel or antiparallel?
What statement regarding the tertiary structure of proteins is false?
What statement regarding the tertiary structure of proteins is false?
What contributes to the stabilization of protein structure?
What contributes to the stabilization of protein structure?
Which statement regarding protein structure is true?
Which statement regarding protein structure is true?
What is the main role of disulfide bonds in protein structure?
What is the main role of disulfide bonds in protein structure?
Why do proteins have limited allowable rotation around the peptide bond?
Why do proteins have limited allowable rotation around the peptide bond?
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