10 Questions
Which of the following statements best describes the role of buffers in biochemical processes?
Buffers maintain a constant pH by resisting changes in hydrogen ion concentration.
The Henderson-Hasselbalch equation relates the pH of a buffer solution to which of the following?
The concentration of the conjugate acid and base, and the dissociation constant of the acid.
Which of the following statements accurately describes the behavior of a buffer system?
A buffer system can resist changes in pH within a specific range, but not indefinitely.
In biochemical processes, what is the primary function of maintaining a specific pH range?
To optimize the activity and stability of enzymes and other biomolecules.
Which of the following statements accurately describes the relationship between pH and hydrogen ion concentration $[H^+]$?
pH is the logarithm of $[H^+]$.
In a buffered solution, which of the following pairs of components are typically present?
A weak acid and its conjugate base.
Which of the following statements accurately describes the behavior of an unbuffered solution when a strong acid is added?
The pH decreases proportionally to the amount of acid added.
Which of the following factors can affect the capacity of a buffer system to resist changes in pH?
All of the above.
In biochemical processes, which of the following statements accurately describes the role of pH?
pH affects the ionization state and activity of enzymes and other biomolecules.
Which of the following statements accurately describes the relationship between a buffer system and the Henderson-Hasselbalch equation?
The Henderson-Hasselbalch equation relates the pH of a buffer system to the concentrations of its components.
Learn about the ionization of water and how to calculate pH in aqueous solutions. Understand the concepts of Keq, neutral, acidic, and basic solutions.
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