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Which of the following statements best describes the role of buffers in biochemical processes?
Which of the following statements best describes the role of buffers in biochemical processes?
- Buffers increase the rate of chemical reactions by lowering activation energy.
- Buffers maintain a constant pH by resisting changes in hydrogen ion concentration. (correct)
- Buffers catalyze the breakdown of complex molecules into simpler ones.
- Buffers facilitate the denaturation of proteins by disrupting hydrogen bonds.
The Henderson-Hasselbalch equation relates the pH of a buffer solution to which of the following?
The Henderson-Hasselbalch equation relates the pH of a buffer solution to which of the following?
- The molar mass of the buffer components and the volume of the solution.
- The pressure of the system and the stoichiometric ratio of the buffer components.
- The temperature of the solution and the ionic strength of the buffer components.
- The concentration of the conjugate acid and base, and the dissociation constant of the acid. (correct)
Which of the following statements accurately describes the behavior of a buffer system?
Which of the following statements accurately describes the behavior of a buffer system?
- A buffer system decreases the pH of a solution when a strong base is added.
- A buffer system maintains a constant pH regardless of the addition of strong acids or bases.
- A buffer system can resist changes in pH within a specific range, but not indefinitely. (correct)
- A buffer system increases the pH of a solution when a strong acid is added.
In biochemical processes, what is the primary function of maintaining a specific pH range?
In biochemical processes, what is the primary function of maintaining a specific pH range?
Which of the following statements accurately describes the relationship between pH and hydrogen ion concentration $[H^+]$?
Which of the following statements accurately describes the relationship between pH and hydrogen ion concentration $[H^+]$?
In a buffered solution, which of the following pairs of components are typically present?
In a buffered solution, which of the following pairs of components are typically present?
Which of the following statements accurately describes the behavior of an unbuffered solution when a strong acid is added?
Which of the following statements accurately describes the behavior of an unbuffered solution when a strong acid is added?
Which of the following factors can affect the capacity of a buffer system to resist changes in pH?
Which of the following factors can affect the capacity of a buffer system to resist changes in pH?
In biochemical processes, which of the following statements accurately describes the role of pH?
In biochemical processes, which of the following statements accurately describes the role of pH?
Which of the following statements accurately describes the relationship between a buffer system and the Henderson-Hasselbalch equation?
Which of the following statements accurately describes the relationship between a buffer system and the Henderson-Hasselbalch equation?
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